APA (7th ed.) Citation

Forty. (2006). The world encyclopedia of tanks & armoured fighting vehicles: Over 400 vehicles and 1200 wartime and modern photographs. Lorenz Books.

Chicago Style (17th ed.) Citation

Forty. The World Encyclopedia of Tanks & Armoured Fighting Vehicles: Over 400 Vehicles and 1200 Wartime and Modern Photographs. London: Lorenz Books, 2006.

MLA (8th ed.) Citation

Forty. The World Encyclopedia of Tanks & Armoured Fighting Vehicles: Over 400 Vehicles and 1200 Wartime and Modern Photographs. Lorenz Books, 2006.

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