The final authority for APA is the American Psychological Association, specifically the Publication manual of the American Psychological Association (6th ed., 2010). The final authority for the bibliographic form used in your paper is your professor.
Coltrane, S. (1998). Gender and families. Thousand Oaks, CA: Pine Forge Press.
Egan, S. E., & Perry, D. G. (2001). Gender identity:
A multidimensional analysis with implications for psychosocial adjustment. Developmental Psychology, 37(4), 451-464.
Article with doi assigned (digital object identifier)
Day, K. (2001). Constructing masculinity and women's fear in public space in Irvine, California. Gender Place & Culture: A Journal of Feminist Geography, 8(2), 109-128. doi:10.1037/0002
Article with no doi assigned (digital object identifier)
First use crossref.org free doi lookup to find the doi and cite as in the above example. If no doi is available, database names may be given for material of limited circulation (APA, 6th edition).
Hager, M. H. (2007). Therapeutic diet order writing: Current issues and considerations. Topics in Clinical Nutrition, 22(1), 28-36. Retrieved from CINAHL-FT database.
Lazarus, M., & Wunderlich, R. (Producers). (2000). Beyond killing us softly: The strength to resist : The impact of media images on women and girls. [Videotape]. Cambridge, MA: Cambridge Documentary Films.
Bloom, L. Z. (1985). Maya Angelou. In T. M. Davis & T. Harris (Eds.), Dictionary of literary biography: Vol 38. Afro-American writers after 1955: Dramatists and prose writers. Detroit: Gale.
Neubauer, C. E. (1993). Maya Angelou: Self and a song of freedom in the southern tradition. In J. P. Draper (Ed.), Contemporary literary criticism (Vol. 77, pp. 130-131). Detroit: Gale. (Reprinted from Southern women writers: The new generation, pp. 114-42, by T. B. Inge, Ed., 1990, Tuscaloosa: U of Alabama P).
Sime, W. E. (1997). Stress management: A review of principles. Retrieved October 16, 2001, from http://www.unl.edu/stress/mgmt/
According to the APA Publication Manual (2010), reference entries are not needed for the Bible and other major classical works. However, your professor may require full publication information; if you are not sure, ask him/her.
American Psychological Association. (2010). Publication manual of the American Psychological Association (6th ed.). Washington, D.C.: APA. (Ref BF 76.7 .P83 2010)