Cita APA (7a ed.)

Walker, W. (2012). A perpetual menace: Nuclear weapons and international order. Routledge.

Cita Chicago Style (17a ed.)

Walker, William. A Perpetual Menace: Nuclear Weapons and International Order. London ; New York: Routledge, 2012.

Cita MLA (8a ed.)

Walker, William. A Perpetual Menace: Nuclear Weapons and International Order. Routledge, 2012.