Information needed:

Author's last name, Author's first name. "Title of article or Web page."

date page last updated. number of pages or paragraphs if
given/or n.pag. On-line. Internet. date of access.
Available: specify electronic address

Example:

Mitten, Lisa. "Native American Sites." 13 Aug. 1998: n.pag. On-Line.

Internet. 9 Aug. 1998.
Available www: http://www.pitt.edu/~Imitten/indians.html