APA (7th ed.) Citation

Boyne, J. (2008). The Boy in the Striped Pyjamas. Definitions book.

Chicago Style (17th ed.) Citation

Boyne, John. The Boy in the Striped Pyjamas. Great Britain: Definitions book, 2008.

MLA (9th ed.) Citation

Boyne, John. The Boy in the Striped Pyjamas. Definitions book, 2008.