Citation management tools will help you create bibliographies and insert citations in your paper. First, you must identify items you think you will use in your paper by searching databases, UC Library Search, or even Google Scholar and adding them to your account. If you use more than 12 references, experience says you will save time using a citation management tool.
Cost - it's free; download the desktop and set up the web account at no cost
Connects with MS Word or Google Docs
Attach any type of file, including PDFs
Add notes and tags
Organize collections of citations in folders
Add items directly from a database or manually enter the information
To use Zotero properly, you need to install the Zotero Connector for Chrome, Firefox, or Safari, in addition to the Zotero desktop app.