Zotero is a "reference manager...designed to store, manage, and cite bibliographic references...[and] is a powerful tool for collecting and organizing research information and sources." https://www.zotero.org/support/quick_start_guide
Creates a new collection Adds a new item New Note Button
Zotero Google Doc Plug-in: allows you to add citations and bibliographies to your Google Doc documents.
Zotero Word Processor Plug-in: allows you to add citations and bibliographies to your Microsoft Word documents quickly and easily.
Zotero Chrome Connector: senses content as you search allowing you to save with one click.