According to Wikipedia, citations for World Wide Web pages typically include the following list below. *Caveat:* you may not be able to determine all of the information below, but if you are fairly certain you're using a reputable source, include as much of the information below as you can:
When citing from biographical notes and other short texts affiliated with special collections and archives, include as much information as possible.
Sample text in an article:
Florence R. Sabin's Wikipedia entry [1] needs a LOT of work, although her biographical note[2] is quite nice.
Sample references (tied to the footnotes above):