Cita APA (7th ed.)

Costa, D. L., & Kahn, M. E. (2008). Heroes & cowards: The social face of war. Princeton University Press.

Cita Chicago (17th ed.)

Costa, Dora L., i Matthew E. Kahn. Heroes & Cowards: The Social Face of War. Princeton: Princeton University Press, 2008.

Cita MLA (9th ed.)

Costa, Dora L., i Matthew E. Kahn. Heroes & Cowards: The Social Face of War. Princeton University Press, 2008.