Zotero (pronounced "zoh-TAIR-oh") is a free citation manager that works within your web browser to collect, manage, and cite research sources.
Zotero allows you to attach PDFs, notes, and images to your citations, organize them into collections for different projects, and create bibliographies.
It automatically updates itself periodically to work with new online sources and new bibliographic styles.
PDF version of the handout distributed in our Zotero workshops
Here are some alternative citation managers: