Search the IRC catalog for a book on your topic.
The following is information on how to cite a page from a website that was found online (CIA World Factbook, BBC Country Profiles, etc.). This information is taken from Owl at Purdue:
A Page on a Web Site
For an individual page on a Web site, list the author or alias if known, followed by the information covered above for entire Web sites. Remember to use n.p. if no publisher name is available and n.d. if no publishing date is given.
"How to Make Vegetarian Chili." eHow. Demand Media, n.d. Web. 24 Feb. 2009.