APA (7th ed.) Citation

Dupuy & Dupuy. (1993). The Harper encyclopedia of military history: From 3500 BC to the present (4th ed.). HarperCollins.

Chicago Style (17th ed.) Citation

Dupuy and Dupuy. The Harper Encyclopedia of Military History: From 3500 BC to the Present. 4th ed. New York, NY: HarperCollins, 1993.

MLA (8th ed.) Citation

Dupuy and Dupuy. The Harper Encyclopedia of Military History: From 3500 BC to the Present. 4th ed. HarperCollins, 1993.

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