Cita APA (7th ed.)

Collins, A. (2010). Contemporary security studies (2nd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Collins, Alan. Contemporary Security Studies. 2nd ed. Oxford ; New York: Oxford University Press, 2010.

Cita MLA (8th ed.)

Collins, Alan. Contemporary Security Studies. 2nd ed. Oxford University Press, 2010.