APA (7th ed.) Citation

Keegan. (1976). The face of battle. Penguin Books.

Chicago Style (17th ed.) Citation

Keegan. The Face of Battle. Middlesex: Penguin Books, 1976.

MLA (8th ed.) Citation

Keegan. The Face of Battle. Penguin Books, 1976.

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