APA (7th ed.) Citation

Keegan & Wheatcraft. (1991). Who's who in military history from 1453. Promotional Reprint.

Chicago Style (17th ed.) Citation

Keegan and Wheatcraft. Who's Who in Military History from 1453. Leicester: Promotional Reprint, 1991.

MLA (8th ed.) Citation

Keegan and Wheatcraft. Who's Who in Military History from 1453. Promotional Reprint, 1991.