APA (7th ed.) Citation

Cooksley & Robertson. (1997). The encyclopedia of 20th century conflict air warfare. Arms and Armour.

Chicago Style (17th ed.) Citation

Cooksley and Robertson. The Encyclopedia of 20th Century Conflict Air Warfare. London: Arms and Armour, 1997.

MLA (8th ed.) Citation

Cooksley and Robertson. The Encyclopedia of 20th Century Conflict Air Warfare. Arms and Armour, 1997.