Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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