Zotero is an open source citation manager that describes itself as a free, easy-to-use tool to help you collect, organize, cite, and share research. Available for Mac, Windows, and Linux, it integrates with Word, LibreOffice, and Google Docs; supports thousands of citation styles; flags retracted items; and more.
Zotero has very robust documentation. If you don't find what you need on this quick guide, be sure to check the official documentation. If you would like one-on-one assistance, you can schedule an appointment to meet with me.
Want to generate a single bibliography without downloading and learning a new program – and without being bombarded by advertisements? Zoterobib is a new tool from the folks at Zotero, and it does just that.