Here's a breakdown of common styles:
* MLA: Alphabetizes by the first word of the citation (usually the author's last name), regardless of the source type.
* APA: Alphabetizes by the first word of the citation (usually the author's last name), regardless of the source type.
* Chicago: Offers two styles, both alphabetizing by the first word:
* Notes and Bibliography: Groups citations by source type, then alphabetizes within each group.
* Author-Date: Alphabetizes all sources together regardless of type.
In general, it's best to follow the specific guidelines of the citation style you are using. You can find these guidelines in style manuals (like the MLA Handbook or the Publication Manual of the American Psychological Association) or online resources like Purdue OWL.
If you are unsure which style to use, consult your professor or instructor. They will be able to provide you with the appropriate guidelines for your specific assignment.