Cita APA (7a ed.)

Grossman, D. (1995). On killing: The psychological cost of learning to kill in war and society (1. ed.). Little, Brown and Co.

Cita Chicago Style (17a ed.)

Grossman, Dave. On Killing: The Psychological Cost of Learning to Kill in War and Society. 1. ed. Boston [u.a.]: Little, Brown and Co, 1995.

Cita MLA (8a ed.)

Grossman, Dave. On Killing: The Psychological Cost of Learning to Kill in War and Society. 1. ed. Little, Brown and Co, 1995.