Q. I have a question about citing a source within the essay. Im using two different books by the same author - david frost. How do i distinguish between

In text, put a comma after the author's last name and add a shortened version of the title and the page number.  Here is an example: (Frye, Anatomy 237).  If you include the author's name in the text, only include the title and page number in parentheses: (Anatomy 237).