Style Guides for Bibliographies
Start by reviewing the information at the Zotero website (tons of great tutorials and info) and downloading Zotero to your computer. Then install the Chrome, Firefox, or Safari browser connector.
Here's an excellent Quick Start Guide from the folks at Zotero.
Your Zotero Library will look like this example once you start creating folders and adding to your collections:
Colorado State University
1019 Campus Delivery
Fort Collins, CO 80523-1019