APA (7th ed.) Citation

Dahl, R., & Blake, Q. (2001). Dirty beasts. Puffin Books.

Chicago Style (17th ed.) Citation

Dahl, Roald, and Quentin Blake. Dirty Beasts. London: Puffin Books, 2001.

MLA (9th ed.) Citation

Dahl, Roald, and Quentin Blake. Dirty Beasts. Puffin Books, 2001.

Warning: These citations may not always be 100% accurate.