https://style.mla.org/
The MLA Style Center and the current edition of the MLA Handbook provide the following guidance for formatting an MLA annotated bibliography:
Sources in an annotated bibliography can be organized alphabetically by the first word in each reference (as with a normal Works Cited page), by publication date, or by subject.
For a visual example of an annotated bibliography, as well as specific annotation examples, visit the MLA annotated bibliography guide.