APA (7th ed.) Citation

Rowling, J. K. (1997). Harry Potter and the philosopher's stone. Bloomsbury.

Chicago Style (17th ed.) Citation

Rowling, J. K. Harry Potter and the Philosopher's Stone. London: Bloomsbury, 1997.

MLA (8th ed.) Citation

Rowling, J. K. Harry Potter and the Philosopher's Stone. Bloomsbury, 1997.