APA CITATION GUIDE for print and online sources IMPORTANT NOTE: Formatting of an APA reference list requires double spacing and hanging indents. For more information: Publication Manual of the American Psychological Association , 6th edition 2010 (R 808.06615 P976) BOOKS: BOOKS: Single author BOOKS: Two or more authors ReferencesKagan, J. (1998). Three seductive ideas. Cambridge, MA: Harvard University Press. Reference in textThe pleasure principle is one of the “popular fallacies” Kagan (1998) tears apart… ReferencesParker, S.T. & McKinney, M.L. (1999). Origins of intelligence: The evolution of cognitive development in monkeys, apes, and humans. Baltimore: John Hopkins University Press. Reference in textRather than juvenilization, adultification (Parker and McKinney, 1999) may describe… [NOTE: When a work has two authors, always cite both names every time the reference occurs in text. When a work has three, four or five authors, cite all the authors the first time the reference occurs; in subsequent citations, include only the first surname followed by et al. When a work has six or more authors, cite only the surname of the first author followed by et al. for the first and subsequent citations. In the reference list, however, provide the initials and surnames of the first six authors, and shorten any remaining authors to et al.] BOOKS: Editor as author BOOKS: Electronic book from EBSCO BOOKS: Article or chapter in an edited book BOOKS: Entry in a reference book ReferencesGibbs, J.T. & Huang, L.N. (Eds.). (1991). Children of color: Psychological interventions with minority youth. San Francisco: Jossey-Bass. Reference in textGibbs and Huang (1991) have compiled articles that… ReferencesWortham, S.E.F. (2006). Learning identity: The joint emergence of social identification and academic learning. New York: Cambridge University Press. Retrieved from EBSCO eBook Collection. Reference in textDescribing the way academic and non-academic activities overlap, Wortham (2006)... ReferencesBjork, R.A. (1989). Retrieval inhibition as an adaptive mechanism in human memory. In H.L. Roediger III & F.I.M. Craik (Eds.), Varieties of memory & consciousness (pp. 309-330). Hillsdale, NJ: Erlbaum. Reference in textBjork (1989) refers to… ReferencesTschan, F. (2010). System theory. In J. Levine & M. Hogg (Eds.), Encyclopedia of group processes and intergroup relations (pp. 891-895). Thousand Oaks, CA: Sage Publications. Reference in textDiscussing its influence on group research, Tschan (2010)... ARTICLES without DOI: magazine, one author ReferencesNeimark, J. (2009, September). The DNA cure. Discover, 36-41, 75. Reference in textAmong new treatments using gene therapy (Neimark, 2009) the AAV virus… ARTICLES with DOI: journal, two or more authors ReferencesFord, J. J., & T.H.Wise (2009). Stem cell differentiation in pubertal boars. Journal of Animal Science, 87, 2536-2543. doi:10.2527/jas.2009-1906 Reference in textFord and Wise (2009) sampled… ARTICLES: Newspaper ReferencesNew drug appears to sharply cut risk of death from heart failure. (1993, July 15). The Washington Post, p. A12. Reference in textStudies have shown (“New drug,” 1993) that the drug… ARTICLES without DOI: (from PROQUEST , JSTOR, LITERATURE RESOURCE CENTER) ARTICLES with DOI: (from psycARTICLES SCIENCEDIRECT) INTERNET Article based on a print source INTERNET Articles from website ReferencesBrooke, J., Annand, J., Hammer, A., Dembkowski, K., & Shulman, S. (2009). Investigation of bacterial pathogens on 70 frequently used environmental surfaces in a large urban U.S. university. Journal of Environmental Health, 71(6), 17-22. Retrieved from ProQuest Research Library database. Reference in textBrooke, Annand, Hammer, Dembkowski, and Shulman (2009) found... ReferencesBerg, C.A., & Upchurch, R. (2007). A developmental-contextual model of couples coping with chronic illness across the adult life span. Psychological Bulletin, 133(6), 920-954. doi: 10.1037/0033-2909.133.6.920 Reference in textBased on this model (Berg and Upchurch, 2007), further studies may... ReferencesLangewiesche, W. (2006, December). How to get a nuclear bomb. The Atlantic. Retrieved from http://www.theatlantic.com/doc/200612/langewiesche-nukes. Reference in textWhile traveling around the world, Langewiesche (2006), imagines himself a terrorist... ReferencesProCon.org. (2009, February 5). Teen marijuana use, 1999-2006. In Medical marijuana. Retrieved February 8, 2010, from http://medicalmarijuana.procon.org/ viewresource.asp?resourceID=001557 Reference in textProcon.org (2009) also looks at teen marijuana use in states with legalized... Sierra College Library, dzw 8/11