APA (7th ed.) Citation

Keegan, J. (1993). A history of warfare. Alfred A. Knopf : Distributed by Random House, Inc..

Chicago Style (17th ed.) Citation

Keegan, John. A History of Warfare. New York: Alfred A. Knopf : Distributed by Random House, Inc., 1993.

MLA (9th ed.) Citation

Keegan, John. A History of Warfare. Alfred A. Knopf : Distributed by Random House, Inc., 1993.