With citation management tools, you can store and organize citations downloaded directly from the online library catalog and most Library databases. The The History, Philosophy, and Newspaper Library recommends Zotero,
Free. Works with the Firefox 2.0 web browser. Developed by historians to support historical research. Flexible software allows you to take snapshots of web pages, and to organize your notes along with your sources.
EndNote is also a popular citation management tool. Users of EndNote currently must purchase the software.