APA (7th ed.) Citation

Henry & Delf. (2004). British anti-tank artillery 1939-45. Osprey Publishing.

Chicago Style (17th ed.) Citation

Henry and Delf. British Anti-tank Artillery 1939-45. New York: Osprey Publishing, 2004.

MLA (8th ed.) Citation

Henry and Delf. British Anti-tank Artillery 1939-45. Osprey Publishing, 2004.