Cita APA

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

Citación estilo Chicago

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

Cita MLA

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