APA (7th ed.) Citation

Rowling, J. K. (1999). Harry Potter and the chamber of secrets. Scholastic Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Rowling, J. K. Harry Potter and the Chamber of Secrets. Scholastic Press, 1999.