APA (7th ed.) Citation

Smith, P. C. (2020). Naval warfare in the English Channel, 1939-1945. Pen & Sword Maritime.

Chicago Style (17th ed.) Citation

Smith, Peter C. Naval Warfare in the English Channel, 1939-1945. Barnsley, South Yorkshire, UK: Pen & Sword Maritime, 2020.

MLA (9th ed.) Citation

Smith, Peter C. Naval Warfare in the English Channel, 1939-1945. Pen & Sword Maritime, 2020.