APA (7th ed.) Citation

Rowling, J. K., & GrandPré, M. (1999). Harry Potter and the Sorcerer's Stone. A.A. Levine Books : Scholastic, Inc..

Chicago Style (17th ed.) Citation

Rowling, J. K., and Mary GrandPré. Harry Potter and the Sorcerer's Stone. New York: A.A. Levine Books : Scholastic, Inc., 1999.

MLA (8th ed.) Citation

Rowling, J. K., and Mary GrandPré. Harry Potter and the Sorcerer's Stone. A.A. Levine Books : Scholastic, Inc., 1999.

Warning: These citations may not always be 100% accurate.