Humanities styles differ from scientific styles; publications often have their own "house" style guide. Below are a few standardized guides.

The uniform requirements for manuscripts submitted to biomedical journals suggests the following for "Journal artical in electronic format":

Morse SS. Factors in the emergence of infectious diseases. Emerg Infect Dis [serial online] 1995
Jan-Mar [cited 1996 Jun 5];1(1):[24 screens]. Availible from: URL: http://www.cdc.gov/ncidod/EID/eid.htm

Publication Manual of the American Psychological Association (4th ed.). Washington, DC:APA, 1994.

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

For Manuscripts: Chicago Manual of Style for Authors, Editors, and Copy Writers. Chicago: University of Chicago Press, 1996.

http://www.press.uchicago.edu/Subjects/virtual_guide.html

The Columbia Guide to Online Style (New York: Columbia Univeristy Press: 1998) is emerging as a new standard for citing electronic resources.

http://www.columbia.edu/cu/cup/cgos/idx_basic.html

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