The type of source determines how to enter it in the "References" list. Find the elements you will need to properly identify your sources.
Book by seven or more authors
Wong, D. L., Hockenberry-Eaton, M., Wilson, D., Winkelstein,
M. L., Ahmann, E., DiVito-Thomas, P. A., et al. (1999). Whaley
& Wong's nursing care of infants and children (6th ed.).
St. Louis: Mosby.
Book by a corporate author
American Medical Association. (1998). Essential guide
to asthma. New York: Pocket.
Book with no author listed
Cooking with vegetables. (1983). New York: Oxmoor.
Book by an editor
Allison, N. (Ed.). (1999). The illustrated encyclopedia of
body-mind disciplines. New York: Rosen.
Translation
Allende, I. (1989). Eva Luna (M.S. Peden, Trans.). New York: Bantam.
Edition
SarDesai, D. R. (1998). Vietnam: Past and present (3rd ed.). Boulder:
Westview.
Book with author and editor
Shakespeare, W. (1982). Hamlet (H. Jenkins, Ed.). London: Methuen.
Multivolume work
Jordan, W. C. (Ed.). (1996). The Middle Ages: An encyclopedia
for students (Vols. 1-4). New York: Scribner.
Book in a series
Heisler, M. O., & Heisler, B. S. (1986). From foreign workers
to settlers?: Transnational migration and the emergence of new
minorities. Annals of the American Academy of Political and
Social Science, 485. Beverly Hills, CA: Sage.
Work in an anthology
Chopin, K. (1996). The Awakening. In G.M. Gilbert & S. Gubar
(Comps.). The Norton anthology of literature by women: The
traditions in English (2nd ed., pp. 1011-1101). New York:
Norton.
Excerpt from an article, reprinted in an anthology
Fiedler, L. A. (1950, October). William Faulkner: An American
Dickens. Commentary, 10, 384-387. (Excerpted and reprinted
in Short story criticism, Vol. 1, p. 151, by L. L. Harris & S.
Fitzgerald, Eds., 1988, Detroit: Gale).
Excerpt from a book, reprinted in an anthology
West, R. B. (1973). Atmosphere and theme in Faulkner's 'A rose for
Emily.' In L.W. Wagner, (Ed.), William Faulkner: Four decades
of criticism (pp. 192-198). East Lansing, MI: Michigan State
University Press. (Excerpted and reprinted in Short story
criticism, Vol. 1, pp. 148-151, by L. L. Harris and S. Fitzgerald
Eds., 1988, Detroit: Gale).
Signed article in an encyclopedia
Cleland, H. G. (1998). Child Labor. In The encyclopedia
Americana (Vol. 6, pp. 460-463). Danbury, CT: Grolier.
Unsigned article in an encyclopedia
Mayflower. (1998). In The encyclopedia Americana (Vol. 18, p.548).
Danbury, CT: Grolier.
Pamphlet
Treat a pamphlet as you would a book.
Articles (from a print publication)
Elements:
Author's last name, Initials. (Date published). Title of the article. Title of the periodical. Volume, [in some cases] (Issue number), Pages on which the article appears.
Article in a scholarly journal with continuous pagination
Bulliet, R. W. (1999). Twenty years of Islamic politics. Middle
East Journal, 53, 189-200.
Article in a scholarly journal paginated by issue
Haynes, G. W., & Haynes, D. C. (1999). Debt structure of small
businesses owned by women in 1987 and 1993. Journal of
Small Business Management, 37 (2), 1-19.
Article in a magazine
Silverstein, K. (1999, July 19). Millions for Viagra, pennies
for diseases of the poor: Research money goes to profitable
lifestyle drugs. Nation, 269, 13-19.
Article in a daily newspaper
Meier, B. (1999, July 8). Tobacco industry loses first phase of
broad lawsuit. New York Times, p. A1.
Article in a Sunday newspaper
Hartocolis, A. (1999, June 20). New math: No one is below
average [Week in review]. New York Times, p. 3.
Book review
Truax, A. (1999, February 8). Anywhere but here: A satisfying
novel about unsatisfactory lives. [Review of the book Amy
and Isabelle]. New Yorker, 74, 79-80.
Electronic Resources (including articles found in databases)
Possible Elements:
Author's last name, Initials. (Date published). Title of the article. Title of the periodical. Volume, [in some cases] (Issue number), Pages on which the article appears. Retrieved <Date of Retrieval>, from <Name of Database>.
Document on a professional site
APA style: Reference examples for electronic source materials.
(2003). Retrieved November 6, 2004, from American
Psychological Association, APA Style.org Web site:
http://www.apastyle.org/elecsource.html.
Article in a reference database
Garrow, D. J. Parks, Rosa Louise. In World book online Americas
edition. Retrieved August 1, 2007, from
http://www.worldbookonline.com/.
Article in an Internet-only magazine
Freeman, J. (2002, February 22). The New York Times Victims
Fund reaches $51 million. The Earth Times Monthly
Retrieved May 30, 2002, from
http://www.earthtimes.org/feb/terrorismthenewfeb22_02.htm.
Work from a subscription service:
Article in a magazine
Gafney, L., & Weiner, M. (1995, October). Finding future
math/science teachers. Education Digest, 61, 33-35.
Retrieved May 30, 2002, from EBSCOhost Academic
Search Premier database.
Work from a subscription service:
Article in a newspaper
Solomon, A., & Hussey, D. (1998, April 21). Enemies of
public education [Education Suppl.]. Village Voice, p. 2.
Retrieved January 2, 2008, from LexisNexis Academic
News database.
CD-ROM
The family doctor. (1993) [CD-ROM]. Portland, OR: Creative
Multimedia.