Basics of APA Style Tutorial: http://flash1r.apa.org/apastyle/basics/index.htm
Online Writing Lab (OWL) at Purdue - APA Style Guide: http://owl.english.purdue.edu/owl/resource/560/01/
APA uses an “author/year” style which places the author(s) and year in prominent positions in the text. The author and year also act as tags for finding the related entry on the References page. There are two ways to place the author/year information into your paper:
Moeck and Yoon (2004) have shown how green buildings can substantially reduce the amount of lighting needed in office spaces. When properly built, “between 89 and 84% can be supplied by daylight” (p. 158).
Green buildings can substantially reduce the amount of lighting needed in office spaces (Moeck & Yoon, 2004).
Include the page number for direct quotations or specific information. Notice the word “and” in the first sample, but the use of an ampersand (&) for the parenthetical citation in the second sample.
Journal article with a DOI number:
Moeck, M., & Yoon, Y. (2004). Green buildings and potential electric light energy savings. Journal of Architectural Engineering, 10(4),
143-159. doi:10.1061/(ASCE)1076-0431(2004)10:4(143)
Journal article with no DOI number and from a library database:
Jallick, M., & Museli, Y. (2004). Gastroenterology phenotype progression: Predictive factors in disease. Journal of Medical Specialty,
10(4),143-159. Retrieved from www.jmedspecialty.com.