Answered By: Suzanne Schriefer, Education & General Education Librarian Last Updated: Jun 21, 2018 Views: 19553
In the APA Style, suffixes such as "Jr." and "Sr." are included in the Author segment of a reference. However, academic titles such as Ph.D., M.D., R.N., etc. are not included in the author segment of a reference.
If you have an author's name that ends with Jr., Sr., I, II, etc. follow this format for the reference:
Do not include the suffix (Jr., Sr., etc.) in the in-text citation. For the example above, the in-text citations would be:
(King & Carson, 2001).
In the chapter discussing his early life, King and Carson (2001)...
For more information on this topic, view this post, "Jr., Sr., and Other Suffixes in APA Style" from the APA Style Blog.