One Author
In general, in-text citations require the author’s last name and the page number when available. There are multiple correct ways to do this when you have one author:
Example of one author in-text citation
(Author page number)
At the end of the day Wilbur made “in excess of half a million dollars” (Marx 43).
Example of one author, with the author included in the signal phrase
(page number)
According to Marx, Wilber made “in excess of half a million dollars” (43).
Example of citing two sources in a single sentence, each with one author, use a semi-colon to separate the two sources
(Author page number; Author page number)
(Garcia 98; Williams 23)