This site from Trinity College presents visual information about how to cite various sources in a visual way, and they offer guidance on citing tricky sources. Check out the source help for APA, Chicago, and MLA styles.
Zotero allows you to save and organize citations for books, articles, and other materials to your own personal library. Zotero can automatically save citations from catalogs and databases, or you can manually add information for special items.
ZoteroBib helps you build a bibliography instantly from any computer or device, without creating an account or installing any software. If you need to reuse sources across multiple projects or build a shared research library, we recommend using Zotero instead.