APA Style

Bull, Hedley. (2002). The Anarchical Society : a study of order in world politics (Ed. 4th). New York: Columbia University.

Chicago Style

Bull, Hedley. The Anarchical Society : a study of order in world politics. Ed. 4th New York: Columbia University, 2002. Text.

MLA Style

Bull, Hedley. The Anarchical Society : a study of order in world politics. Ed. 4th New York: Columbia University, 2002. Text.

Turabian Style

Bull, Hedley. The Anarchical Society : a study of order in world politics. Ed. 4th New York: Columbia University, 2002. Print.