Zotero is a free citation management software. It automatically senses content and allows you to add it to your personal library with a single click. If you want to add a book citation from Amazon, a journal article from JSTOR or a news story from the New York Times, Zotero allows you to add the citations with a click. You can use Zotero to create a bibliography (cited reference page) or add footnotes.
Questions about Zotero can be sent to Dianne Aldrich (firstname.lastname@example.org)