APA (7th ed.) Citation

Gerlach, C. (2010). Extremely violent societies: Mass violence in the twentieth-century world. Cambridge Univiversity Press.

Chicago Style (17th ed.) Citation

Gerlach, Christian. Extremely Violent Societies: Mass Violence in the Twentieth-century World. Cambridge [u.a.]: Cambridge Univiversity Press, 2010.

MLA (8th ed.) Citation

Gerlach, Christian. Extremely Violent Societies: Mass Violence in the Twentieth-century World. Cambridge Univiversity Press, 2010.