APA (7th ed.) Citation

Dahl's, R., & George, R. R. (1979). Charlie and the chocolate factory: A play. Puffin Books.

Chicago Style (17th ed.) Citation

Dahl's, Roald, and Richard R. George. Charlie and the Chocolate Factory: A Play. London: Puffin Books, 1979.

MLA (9th ed.) Citation

Dahl's, Roald, and Richard R. George. Charlie and the Chocolate Factory: A Play. Puffin Books, 1979.