Zotero is a free, open-source tool that you can you use to:
Zotero is able to sense bibliographic information when a book, article, or website is being displayed by revealing an icon in the address bar. All you have to do is click!
Zotero has three components:
When you use Firefox, the library and the browser tool are integrated but you will need to download the Word plug-in separately.
When you use Chrome or Safari, the library and the Word plug-in will be integrated but you will need to download the browser tool separately.
Follow the link below to download Zotero for Firefox or Zotero Standalone (for use with Safari and Chrome).
Zotero is not compatible with Internet Explorer.