APA (7th ed.) Citation

Grossman, D., & Christensen, L. W. (2008). On combat: The psychology and physiology of deadly conflict in war and in peace (3rd ed.). Warrior Science Pub..

Chicago Style (17th ed.) Citation

Grossman, Dave, and Loren W. Christensen. On Combat: The Psychology and Physiology of Deadly Conflict in War and in Peace. 3rd ed. [Illinois?]: Warrior Science Pub., 2008.

MLA (9th ed.) Citation

Grossman, Dave, and Loren W. Christensen. On Combat: The Psychology and Physiology of Deadly Conflict in War and in Peace. 3rd ed. Warrior Science Pub., 2008.