APA (7th ed.) Citation

Dahl, R., & Blake, Q. (2007). Danny the champion of the world. Penguin Group.

Chicago Style (17th ed.) Citation

Dahl, Roald, and Quentin Blake. Danny the Champion of the World. New York: Penguin Group, 2007.

MLA (9th ed.) Citation

Dahl, Roald, and Quentin Blake. Danny the Champion of the World. Penguin Group, 2007.