Which of the following APA citations for a book with one author is correct?

A. Percy, William Byrnes (1961). The Moviegoer. New York: Knopf.
B. Percy, W. (1961). The Moviegoer. New York: Knopf.
C. Percy, W., 1961. The Moviegoer. New York: Knopf.
D. Percy, W. (1961). The Moviegoer. New York: Knopf.

is it B

I agree.

Note that the title of the book should be italicized.

Yes, you are correct. Option B is the correct APA citation for a book with one author. Here's why:

In APA style, when citing a book with one author, you should include the author's last name and initials, the year of publication in parentheses, the title of the book in italics, and the place of publication followed by the publisher.

Let's break down each option to determine the correct answer:

A. Percy, William Byrnes (1961). The Moviegoer. New York: Knopf.
This option includes the author's full name, which is unnecessary in APA format.

B. Percy, W. (1961). The Moviegoer. New York: Knopf.
This option correctly includes the author's last name and initials, the year of publication, the title of the book, and the place of publication followed by the publisher.

C. Percy, W., 1961. The Moviegoer. New York: Knopf.
This option incorrectly places a comma between the author's last name and initials, and there should not be a comma after the initials.

D. Percy, W. (1961). The Moviegoer. New York: Knopf.
This option is the same as option B, so it is also correct.

Therefore, the correct citation for a book with one author in APA style is:
Percy, W. (1961). The Moviegoer. New York: Knopf.