APA (7th ed.) Citation

Dahl, R. (1964). Charlie and the chocolate factory. Knopf.

Chicago Style (17th ed.) Citation

Dahl, Roald. Charlie and the Chocolate Factory. New York: Knopf, 1964.

MLA (9th ed.) Citation

Dahl, Roald. Charlie and the Chocolate Factory. Knopf, 1964.