APA STYLE GUIDE: A concise but unofficial" introduction with examples. Start here

Version 2.1, Revised March 1995, Prepared by Ron Corio, et.al.

http://www.stir.ac.uk/celt/study.htm

Electronic Reference Formats Recommended by the American Psychological Association

The official APA guide to online references

http://www.apa.org/journals/webref.html

PSYCHOLOGY WITH STYLE: A Hypertext Writing Guide

1/17/2000 - Version 3.1 (Revision History), M. Plonsky, Ph.D., University of Wisconsin - Stevens Point

http://www.uwsp.edu/acad/psych/apa4b.htm

On-Line Help with the APA Style: A list of links

http://www.siu.edu/departments/cola/psycho/apastyle.html