Cita APA (7a ed.)

Keegan, J. (1978). The face of battle. Penguin Books.

Cita Chicago Style (17a ed.)

Keegan, John. The Face of Battle. Harmondsworth, Middx. [etc.]: Penguin Books, 1978.

Cita MLA (9a ed.)

Keegan, John. The Face of Battle. Penguin Books, 1978.