APA (7th ed.) Citation

Roald Dahl & Quentin Blake. (1966). The magic finger. Puffin.

Chicago Style (17th ed.) Citation

Roald Dahl and Quentin Blake. The Magic Finger. London: Puffin, 1966.

MLA (9th ed.) Citation

Roald Dahl and Quentin Blake. The Magic Finger. Puffin, 1966.

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