APA Citation Style

Rio Salado College APA Style Sheet
http://www.riosalado.edu/services/student/support/library/tutorials/apa_citation.pdf
Brief examples of the basic citation formats.

Rio Salado College Advanced APA Style Sheet
http://www.riosalado.edu/services/student/support/library/tutorials/cite_APA_Advanced.pdf
Expanded examples of APA citation formats.

The Columbia Guide to Online Style
http://www.columbia.edu/cu/cup/cgos/idx_basic.html
Clear guidelines for citing the World Wide Web, e-mail, discussion lists, newsgroups, electronic publications, and online databases. This site is thorough and extensive, offering many examples for both humanities (MLA) and scientific (APA) styles.

Electronic Reference Formats Recommended by the American Psychological Association
http://www.apastyle.org/elecref.html
Gives the widely used scientific format for citing e-mail, websites, articles and abstracts from databases. Examples are included.

Writer's Handbook. Citing Electronic Sources - APA Style
http://www.wisc.edu/writing/Handbook/elecapa.html#top
The University of Wisconsin-Madison Writing Center's Handbook presents an easily followed table index to the different sections of the site. Listservs, bulletin boards, chat groups and e-mail are combined under the category E-Mail Communication.