Cita APA (7a ed.)

Bull, H. (2012). The anarchical society: A study of order in world politics (4th ed.). Columbia University Press.

Cita Chicago Style (17a ed.)

Bull, Hedley. The Anarchical Society: A Study of Order in World Politics. 4th ed. New York: Columbia University Press, 2012.

Cita MLA (9a ed.)

Bull, Hedley. The Anarchical Society: A Study of Order in World Politics. 4th ed. Columbia University Press, 2012.