APA (7th ed.) Citation

Carr, J. (2019). The Pope's army: The Papacy in diplomacy and war. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Carr, John. The Pope's Army: The Papacy in Diplomacy and War. Barnsley, South Yorkshire, UK: Pen & Sword Military, 2019.

MLA (9th ed.) Citation

Carr, John. The Pope's Army: The Papacy in Diplomacy and War. Pen & Sword Military, 2019.