APA (7th ed.) Citation

Roald Dahl. (1964). Charlie and the Chocolate Factory. Puffin Books.

Chicago Style (17th ed.) Citation

Roald Dahl. Charlie and the Chocolate Factory. UK: Puffin Books, 1964.

MLA (9th ed.) Citation

Roald Dahl. Charlie and the Chocolate Factory. Puffin Books, 1964.