APA (7th ed.) Citation

Dahl, R. (1966). The Magic Finger. Penguin group.

Chicago Style (17th ed.) Citation

Dahl, Roald. The Magic Finger. London: Penguin group, 1966.

MLA (9th ed.) Citation

Dahl, Roald. The Magic Finger. Penguin group, 1966.

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