APA (7th ed.) Citation

Cornwell, J. (2000). Hitler's Pope: The secret history of Pius XII. Penguin.

Chicago Style (17th ed.) Citation

Cornwell, John. Hitler's Pope: The Secret History of Pius XII. London: Penguin, 2000.

MLA (8th ed.) Citation

Cornwell, John. Hitler's Pope: The Secret History of Pius XII. Penguin, 2000.