Here are some common styles and how they handle author names:
* APA Style: Uses the author's full first name and middle initial (if applicable), followed by the last name.
* MLA Style: Uses the author's full first name followed by their last name.
* Chicago Style: Uses the author's full first name and middle initial (if applicable), followed by the last name, but allows for variations depending on the type of source.
It's important to follow the specific guidelines of the citation style you are using. You can find more detailed information on author names in the official style guides for each citation style.