APA (7th ed.) Citation

Keegan & Wheatcroft. (1987). Who's who in military history: From 1453 to the present day (2nd ed.). Hutchinson.

Chicago Style (17th ed.) Citation

Keegan and Wheatcroft. Who's Who in Military History: From 1453 to the Present Day. 2nd ed. London: Hutchinson, 1987.

MLA (8th ed.) Citation

Keegan and Wheatcroft. Who's Who in Military History: From 1453 to the Present Day. 2nd ed. Hutchinson, 1987.