APA (7th ed.) Citation

Rowling, J. (1999). Harry Potter and the prisoner of Azkaban. Scholastic Press.

Chicago Style (17th ed.) Citation

Rowling, J.K. Harry Potter and the Prisoner of Azkaban. New York: Scholastic Press, 1999.

MLA (9th ed.) Citation

Rowling, J.K. Harry Potter and the Prisoner of Azkaban. Scholastic Press, 1999.