APA (7th ed.) Citation

Dahl, R., & Blake, Q. (2016). Charlie and the chocolate factory. puffin Books.

Chicago Style (17th ed.) Citation

Dahl, Roald, and Quentin Blake. Charlie and the Chocolate Factory. London: puffin Books, 2016.

MLA (9th ed.) Citation

Dahl, Roald, and Quentin Blake. Charlie and the Chocolate Factory. puffin Books, 2016.