APA (7th ed.) Citation

Forty, S. (2021). A photographic history of airborne warfare, 1939-1945. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Forty, Simon. A Photographic History of Airborne Warfare, 1939-1945. Barnsley: Pen & Sword Military, 2021.

MLA (9th ed.) Citation

Forty, Simon. A Photographic History of Airborne Warfare, 1939-1945. Pen & Sword Military, 2021.

Warning: These citations may not always be 100% accurate.