APA (7th ed.) Citation

Parker & Cowley. (1996). The osprey companion to military history. Osprey Military.

Chicago Style (17th ed.) Citation

Parker and Cowley. The Osprey Companion to Military History. London: Osprey Military, 1996.

MLA (8th ed.) Citation

Parker and Cowley. The Osprey Companion to Military History. Osprey Military, 1996.

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