APA (7th ed.) Citation

Forty. (2000). The encyclopedia of 20th century conflict: Land warfare. Arms and Armour.

Chicago Style (17th ed.) Citation

Forty. The Encyclopedia of 20th Century Conflict: Land Warfare. London: Arms and Armour, 2000.

MLA (8th ed.) Citation

Forty. The Encyclopedia of 20th Century Conflict: Land Warfare. Arms and Armour, 2000.

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