APA (7th ed.) Citation

Rowling, J. K., & GrandPré, M. (2005). Harry Potter and the Half-Blood Prince (First American edition.). Arthur A. Levine Books.

Chicago Style (17th ed.) Citation

Rowling, J. K., and Mary GrandPré. Harry Potter and the Half-Blood Prince. First American edition. New York, NY: Arthur A. Levine Books, 2005.

MLA (8th ed.) Citation

Rowling, J. K., and Mary GrandPré. Harry Potter and the Half-Blood Prince. First American edition. Arthur A. Levine Books, 2005.