Cita APA (7a ed.)

Buzan, B., & Wæver, O. (2003). Regions and powers: The structure of international security. Cambridge University Press.

Cita Chicago Style (17a ed.)

Buzan, Barry, y Ole Wæver. Regions and Powers: The Structure of International Security. Cambridge, United Kingdom: Cambridge University Press, 2003.

Cita MLA (9a ed.)

Buzan, Barry, y Ole Wæver. Regions and Powers: The Structure of International Security. Cambridge University Press, 2003.