In general, if your teacher has given you guidelines on how to cite internet resources, you should follow those guidelines. However, we suggest citing our website as follows.
The Physics Van, 1969 Department of Physics, University of Illinois at Urbana-Champaign, the date you accessed the website <http://van.physics.illinois.edu>
Ask the Van, 1969 Department of Physics, University of Illinois at Urbana-Champaign, the date you accessed the website <http://van.physics.illinois.edu/qa/>
Author's name (or editor's names) "Title of the Question", date the question was published Department of Physics, University of Illinois at Urbana-Champaign, the date you accessed the question <web address of the question>
As an example, if you read the following question today,
the citation would be,
Kiefer, D. "Why do fools fall in love?", 13 Jul 2006 Department of Physics, University of Illinois at Urbana-Champaign,
31 Dec 1969 <http://van.physics.illinois.edu/qa/listing.php?id=384>
You can look up the full names of most of our volunteers on our volunteers page. If no name is given in the question, use the names of our question-answer site editors; Weissman, M. and Holloway, L.