APA (7th ed.) Citation

Keegan, J. (1976). The face of battle: A study of Agincourt, Waterloo, and the Somme. Penguin Books.

Chicago Style (17th ed.) Citation

Keegan, John. The Face of Battle: A Study of Agincourt, Waterloo, and the Somme. New York: Penguin Books, 1976.

MLA (9th ed.) Citation

Keegan, John. The Face of Battle: A Study of Agincourt, Waterloo, and the Somme. Penguin Books, 1976.

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