3395 Apa Style6

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Dalhousie University Libraries
APA Style (6th) Quick Guide

This guide provides examples for selected research sources based on the style recommended in the Publication Manual of
the American Psychological Association (APA) (6th ed., 2010). In-text citations indicate the exact location for sources of
information used in the text of the paper; the reference list describes the works from which the citations are taken.
NOTE: APA requires double-spacing between ALL text lines, including references. In an
attempt to save space, this document has been formatted in single spacing.

Formatting your paper
APA style requires that you use parenthetical citations to document quotations, paraphrases, summaries, and other material
from a source used in your paper corresponding to the full bibliographic entries found in a list of references included at the
end of your paper. To cite a source in the text of the paper, indicate in parentheses the last name of the author(s), or if there
is no author, the first few words of the document title (in quotation marks), followed by the year of publication, and the
page number. The following paragraphs show sample in-text citations. Please note that the footnotes in the example below
are only used to provide explanations about the citations.

In his classic study, Gardner (2004) summarizes the scepticism of current researchers and observers about whether the
messages presented in the Fourth Assessment Report were really about the end of the World as we know it. His conclusion is that
“anthropogenic global warming is occurring” (p. 22) 1 and human activities are to blame. But four renowned researchers (Tannenbaum,
Leung, Sudha, & White, 2005)2 who re-analysed published data have rejected the likelihood of human influence on recent climate and
concluded that:
The current climate change is natural. The close of the millennium was marked by a deep suspicion of the natural world and an
increasing reliance upon the pronouncements of soothsayers and visionaries, who caused hysteria with their doom-laden
forecasts of the end of humanity (p. 184).3
This has prompted some key influential organisations to hold non-committal positions on this issue. But in a recent publication
Cooper et al. (2009) positively identified the "human fingerprints" associated with climate changes stating that “temperatures have risen
compared to pre-1800 levels, and humans significantly influence the global temperature” (p. 19). This is echoed by Al Gore in his recent
presentation at Dalhousie University when he concluded that “we're in for a planetary emergency unless we change the way we live
now” (personal communication, May 3, 2010).4
References5
Cooper, M., Engelbart, D., Furuta, R., Hiltz, S. R., Noll, J., Preece, J., … Van de Walle, B. (2009). Human finger-prints: a knowledge
evolution. Journal of Global Warming, 18(4), 11-35. doi:10.1073/pnas.0706147104
Gardener, S. (2004). Anthropogenic global warming: How the world is changing. New York: Morrow.
Tannenbaum, R. V., Leung, K., Sudha, J. R., & White, M. A. (2005). A re-examination of the notion of global warming. Journal of the
Environment, 20, 168-196.

1

APA recommends including page numbers for quotations, not necessarily for paraphrases or summaries (N.B. ask your instructor when to
include page numbers). If there are no page numbers, then include paragraph numbers, e.g., (Jones, 2007, para. 4).
2
When a source that has 3 to 5 authors is cited, all authors are included the first time the source is cited. If that source is cited again, include
the first author's surname and "et al.", e.g., (Tannenbaum et al., 2005). When a source that has six or more authors is cited, the first author's surname
and "et al." are used every time the source is cited (including the first time), e.g., (Cooper at al., 2009).
3
Place direct quotations longer than 40 words in a free-standing block and omit quotation marks.
4
Personal communications, including an interview, email, or lecture is not included in the list of references.
5
Start the reference list on a new page, after the body of the paper.

2

In-text citations and references
NOTE: See page 6 for author variations, e.g., how to cite a reference by more than one
author, by a corporate author, or when no author is listed.

1.

JOURNAL ARTICLES

In-text citations:
Electronic with DOI:
Electronic without
DOI:1
Posted on an openaccess or personal
website:
Print:
Notes:

2.

(Ashe & McCutcheon, 2001, p. 101)
REFERENCE LIST
Whitmeyer, J. M. (2000). Power through appointment. Social Science Research, 29(4), 535-555.
doi:10.1006/_ssre.2000.0680
Ashe, D. D., & McCutcheon, L. E. (2001). Shyness, loneliness, and attitude toward celebrities.
Current Research in Social Psychology, 6(9). Retrieved from http://www.uiowa.edu
/~grpproc/crisp/crisp.6.9.htm
Cain, A., & Burris, M. (1999, April). Investigation of the use of mobile phones while driving.
Retrieved from http://www.cutr.eng.usf.edu/its/mobile_phone_text.htm
Sawyer, J. (1966). Measurement and prediction, clinical and statistical. Psychological Bulletin,
66(3), 178-200.
1

Give the URL of the journal home page.

NEWSPAPER & MAGAZINE ARTICLES
IN-TEXT CITATIONS

With Author:

(Gleick, 2000, p. 156)

No Author:

(“Bahrain streets,” 2011, para. 3)

Electronic from a
database: 1
Electronic from the
website:
Print:
Review:
Editorial: 2
Article with no
author: 3
Notes:

REFERENCE LIST
Altman, L. K. (2001, January 18). Mysterious illnesses often turn out to be mass hysteria. New
York Times. Retrieved from the Factiva database.
Cary, B. (2001, June 18). Mentors of the mind. Los Angeles Times. Retrieved from
http://www.latimes.com
Monson, M. (1993, September 16). Urbana firm obstacle to office project. The ChampaignUrbana News-Gazette, pp. 1, 8.
Gleick, E. (2000, December 14). The burdens of genius [Review of the book The last samurai,
by H. DeWitt]. Time, 156, p. 171.
Sovereignty in the human presence. [Editorial]. (2010, February 21). The Globe and Mail, p. A9.
Bahrain streets calm but tense. (2011, February 21) The Chronicle Herald. Retrieved from
http://thechronicleherald.ca/World/1229146.html
1

Give as full a date as possible. Use the full names of months, e.g., (2000, March 14).
Editorials must be acknowledged in your references.
3
Articles without authors are referenced by their titles.
2

3

3.

INTERNET MATERIALS

In-text citations1:
Personal homepage:
Posting to an online
discussion group or
listserv:
Social media,
including blog posts,
etc.: 2
Website of an
organization or
government:

(National Park Service, 2003, para. 1)
REFERENCE LIST
Duncan, D. (1998, August 1). Homepage. Retrieved July 30, 2007 from http://www.geocities
.com/SoHo/Coffeehouse/1652/
Marcy, B. (1999, April 3). Think they'll find any evidence of Mallory & Irvine [electronic
mailing list message]. Retrieved from http://everest.mountainzone.com/99/forum
MiddleKid. (2007, January 22). The unfortunate prerequisites and consequences of partitioning
your mind [Web log message]. Retrieved from http://scienceblogs.com/pharyngula
/2007/01/the_unfortunate_prerequisites.php
Wisconsin Department of Natural Resources. (2001). Glacial habitat restoration areas.
Retrieved from http://www.dnr.state.wi.us/org/land/wildlife/hunt/hra.htm
Midwest League. (n.d.). Pitching, individual records. Retrieved from http://www
.midwestleague.com/indivpitching.html

An online video:
A PowerPoint
presentation:
Notes:

4.

Norton, R. (2006, November 4). How to train a cat to operate a light switch [Video file].
Retrieved from http://www.youtube.com/watch?v=Vja83KLQXZs
Geist, M. (2010). The truth about ACTA [Presentation slides]. Retrieved from http://www
.slideshare.net/mgeist/the-truth-about-acta
1

For in-text citations, a page or paragraph number should be included if available on the web site.
Only use screen names or pseudonyms when the author’s real name is not known.

2

REPORTS

In-text citations
Industry report from
a database:
Company report
from a database:
From a company
Website

(Datamonitor, 2010)
REFERENCE LIST
Datamonitor. (2010, March 12). Global Banks: Industry profile. Retrieved from Datamonitor 360
database.
Global Data. (2010, October 25). Nortel Networks Corporation (NRTLQ) - Financial and
Strategic Analysis Review. Retrieved from Investext database.
Microsoft Corp. (2006). Annual report. Retrieved from http://www.microsoft.com/msft/reports
/ar06/

4

5.

BOOKS
IN-TEXT CITATIONS

Standard:

(Avgerou, 2003, p. 42)

With no date:

(Smith, n.d.)

A translation:

(Freud, 1940/1970)

Electronic with DOI:
Electronic without
DOI:
Print:
Print, with an editor: 1
Print, when citing a
chapter:
Print, a translation:
No publication date: 2
Notes:

REFERENCE LIST
Avgerou, C. (2003). Information systems and global diversity. doi:10.1093/acprof:oso
/9780199263424.001.0001
Glosser, S. L. (2003). Chinese visions of family and state, 1915-1953. Retrieved from
http://hdl.handle.net/2027/heb.04248.0001.001
Gardner, H. (1993). Frames of mind: The theory of multiple intelligences. New York: Basic
Books.
Updike, J. (Ed.). (1999). The best American short stories of the century. Boston: Houghton
Mifflin.
Rubenstein, J. P. (1967). The effect of television violence on small children. In B. F. Kane (Ed.),
Television and juvenile psychological development (pp. 112-134). New York: American
Psychological Society.
Freud, S. (1970). An outline of psycho-analysis (J. Strachey, Trans.). New York: Norton.
(Original work published 1940).
Smith, J. (n.d.). Morality in masquerade. London: Churchill.
1
2

Use (Eds.) instead of (Ed.) when there is more than one editor.
Use (n.d.) in place of a year when your work has no known date of publication.

6. DISSERTATIONS AND THESES
In-text citations:

(Makani, 1998)

REFERENCE LIST
Mancall, J. C. (1979). Resources used by high school students in preparing independent study
Electronic from a
database:
projects: A bibliometric approach (Doctoral dissertation). Retrieved from ProQuest
Dissertations and Theses database. (UMI No. AAT 7905069)
Print obtained from a Carlson, W. R. (1977). Dialectic and rhetoric in Pierre Bayle. (Unpublished doctoral
dissertation). Yale University, USA.
university: 1
Delgado, V. (1997). An interview study of Native American philosophical foundations in
Print abstract from
education. Dissertation Abstracts International: Section A. Humanities and Social
DAI:
Sciences, 58(9), 3395.
Notes:

1

Dissertations and theses which haven’t been indexed in a database are “unpublished.”

5

7. ENCYCLOPEDIAS AND REFERENCE MATERIALS
(MacKintosh, 2010, p. 856)

In-text citations:
Electronic with DOI:

1

Electronic without
DOI: 1
Print: 2

1

Provide volume and page information when provided.
Find the editor’s name in the first volume of the series. If the author of the entry is identified only by initials,
then look for a list of author names in the encyclopaedia index. If neither a name nor initials appear in the
entry, then cite the entry according to its title (

Notes:

8.

REFERENCE LIST
Levi, D. M. (2010.) Amblyopia. In D. A. Dartt, et al. (Eds.), Encyclopaedia of the eye (2010
ed., pp. 63-66). doi:10.1016/B978-0-12-374203-2.00243-8
Tolan, J. (2011.) Petrus Alfonsi. In P. Bearman, et al. (Eds.), Encyclopaedia of Islam (New
ed.). Retrieved from http://www.brill.nl/default.aspx?partid=227&pid=7560
MacKintosh, N. J. (2010). Animal learning. In D.H. Hoiberg (Ed.), Encyclopaedia Britannica
(15th ed., Vol. 22, pp. 854-869). Chicago: Encyclopaedia Britannica, Inc.
2

CONFERENCE PROCEEDINGS
(Miller, 2000, p. 65)

In-text citations:
Electronic with DOI:
Electronic without
DOI:
Print:

Notes:

1

REFERENCE LIST
Heerikhuisen, J., Pogorelov, N., & Zank, G. (2010). IBEX ribbon from outer heliosheath pickup Ions. AIP Conference Proceedings, USA, 1302(1), 98-103. doi:10.1063/1.3529997
Miller, S. (2000). Introduction to manufacturing simulation. Proceedings of the 2000 Winter
Simulation Conference, USA, 33, 63-66. Retrieved from http://www.informssim.org/wsc00papers/011.PDF
Etoroma, E.E. (1997). Black community building in Hamilton: Problems and aspects. In J.
Cohnstaedt & Y. Frenette (Eds.), Canadian cultures and globalization: Selected
proceedings of the 23rd annual conference of the Association for Canadian Studies.
Montreal: Association for Canadian Studies.
1

Annual conference proceedings should list location and volume information when available.
Proceedings published in book format are cited like a book chapter.

9. FILM AND TELEVISION
In-text citations:
Film:
Television broadcast:

(Wallace & Curitz, 1942)
REFERENCE LIST
Wallace, H. B. (Producer), & Curtiz, M. (Director). (1942). Casablanca [Motion Picture].
United States: Warner Bros.
Sorkin, A. (Writer), & Buckland, M. (Director). (1999). A proportional response [Television
series episode]. In A. Sorkin (Producer), The west wing. Los Angeles: Warner Bros.
Television.

6

10. PATENTS
(U.S. Patent No. 4,285,338, 1981)

In-text
citations:1

REFERENCE LIST
Lemelson, J.H. (1981). U.S. Patent No. 4,285,338. Retrieved from http:// http://patft.uspto.
gov/
Lemelson, J.H. (1981). U.S. Patent No. 4,285,338. Washington, DC: U.S. Patent and Trademark
Office.

Electronic:
Print:

1

Patents are cited according to their numbers as opposed to their inventors.

Notes:

11. AUTHOR VARIATIONS
In-Text
Citations

First citation with 2 authors:

(Smith & Jones, 2003)

Subsequent citations with 2 authors:

(Smith & Jones, 2003)

First citation with 3 to 5 authors:
Subsequent citations with 3 to 5 authors:
First citation with 6 or more authors:

(Harper, McKay & Kenney, 2006)
(Harper et al., 2006)
(Ignatieff et al., 2009)

Subsequent citations with 6 or more authors:

(Ignatieff et al., 2009)

Organization as author:

(U.S. Census Bureau, 2000)

No author (books, brochures, and reports):

(Experimental Psychology, 1938)

No author (chapters, articles, or web pages): 2

(“Study Finds”, 2007)

An anonymous author:

(Anonymous, 1933)

A text cited by another source:

(Bandura, 1982, as cited in Feist, 1998)

Reference 2 to 7 authors:
List
8 or more authors:

Organization as
author:
No author (books,
brochures, and
reports):
No author (chapters,
articles, or web
pages):
An anonymous
author:
Notes

1

1

Kosslyn, S. M., Thompson, W. L., & Ganis, G. (2010). The case for mental
imagery. doi:10.1093/acprof:oso/9780195179088.001.0001
Bieber, M., Engelbart, D., Furuta, R., Hiltz, S. R., Noll, J., Preece, J., . . . Van de
Walle, B. (2002). Toward virtual community knowledge evolution. Journal
of Management Information Systems, 18(4), 11-35.
U.S. Census Bureau. (2000). Statistical abstract of the United States. Washington,
DC: U.S. Government Printing Office.
Experimental Psychology. (1938). New York: Holt.

Senate passes bill to stop shark finning in U.S. (2011, January). Sea Technology,
52(1), 51.
Anonymous. (1933). The Spanish republic; a survey of two years of progress.
London: Eyre and Spottiswoode.

Use the name of the book, brochure, or report in your in-text citation when it has no identifiable author or editor.
Use the first few words of the title for chapters, articles, or web pages that have no identifiable author or editor.

2



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