Zotero is a free, open-source tool that helps you collect, organize, and share research sources; generate citations; and create bibliographies. It's one of many citation management tools such as EndNote, Refworks, and Mendeley.
Download Zotero if you need a citation management tool that
If you just need to create a quick bibliography, use ZoteroBib instead.
Download Zotero and the Zotero Connector for your browser. Zotero Connectors automatically sense content as you search online and allow you to save it to Zotero with a single click.
Mac:
Windows:
Note: Zotero will update to newer versions automatically.
There is excellent supporting documentation available on the Zotero site to get you started: