Information on your annotated bibliography can be found on page 8 of the ARC MLA handout. An example is included.
Annotated bibliographies are formatted the same way as your list of Works Cited on the last page of your research paper. Immediately after the citation, summarize the source and evaluate it for usefulness and reliability.
Is the source (i.e., article):
How does it fit into your research?
Is it helpful? Too broad or too specific?
Has it helped you narrow your topic?
Is the author qualified?