The MLA Handbook, 9th ed. (2021) is available at the Reference Desk, Gitenstein Library (1st floor). Use this latest edition for up-to-date citation guidance.
MLA Style Manual and Guide to Scholarly Publishing, 3rd ed. (2008) is located in the Reference Stacks (1st floor).
Check out What is An Annotated Bibliography?, a brief (2-minute) video from the folks at the Kimbel Library, Coastal Carolina University. Michael Engle, Librarian at Cornell University Library, authored How to Prepare an Annotated Bibliography. It is simple but effective. Helpful too is Purdue Owl's Annotated Bibliographies guide.