Answer:
A. Place of publication.
Explanation:
The APA (American Psychological Association) format for citing a book follows five steps beginning with the author's last name, followed by the year of publishing, Book, city, state; publisher. As per this structure, the place of publication appears at the fourth stand. Here is an illustration of citation of a book in APA format :
Rowling, J.K (1997). Harry Potter and the philosopher's stone. London: Bloomsbury pub.
