"Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share research."
There are multiple ways you can use Zotero reference management tool. There is a desktop application and an online version. The app will have more capabilities, but the online version has the basic needs.
Zotero in Google Docs- Helps you easily add citations and bibliographies to the documents you create in Google Docs
*Information taken from the Zotero website*
"a free service that helps you build a bibliography instantly from any computer or device without creating an account or installing software".
There are 10,000+ citation styles to choose from.
You can get an automatic bibliography when you search for a source by:
OR
*If you need to create a one-off bibliography for a paper, ZoteroBib is the quickest and easiest way to do it. It is recommended to use Zotero if you are working on a long-term project or multiple projects.*
WARNING!
This citation manager may not have the correct format for the style you require. Be sure to check the formatting!
*Information taken from the Zotero website*