APA (7th ed.) Citation

Keegan, J., & Wheatcroft, A. (1996). Who's who in military history: From 1453 to the present day. Routledge.

Chicago Style (17th ed.) Citation

Keegan, John, and Andrew Wheatcroft. Who's Who in Military History: From 1453 to the Present Day. London ; New York: Routledge, 1996.

MLA (8th ed.) Citation

Keegan, John, and Andrew Wheatcroft. Who's Who in Military History: From 1453 to the Present Day. Routledge, 1996.