APA (7th ed.) Citation

Koenig, W. J. (1980). Americans at war: From the colonial wars to Vietnam. Putnam.

Chicago Style (17th ed.) Citation

Koenig, William J. Americans at War: From the Colonial Wars to Vietnam. New York: Putnam, 1980.

MLA (9th ed.) Citation

Koenig, William J. Americans at War: From the Colonial Wars to Vietnam. Putnam, 1980.