APA (7th ed.) Citation

Keegan, J. (2004). A history of warfare. Pimlico.

Chicago Style (17th ed.) Citation

Keegan, John. A History of Warfare. London, UK: Pimlico, 2004.

MLA (9th ed.) Citation

Keegan, John. A History of Warfare. Pimlico, 2004.

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