Style de citation APA (7e éd.)

Buzan, B., & Hansen, L. (2009). The evolution of international security studies. Cambridge University Press.

Style de citation Chicago (17e éd.)

Buzan, Barry, et Lene Hansen. The Evolution of International Security Studies. Cambridge, UK ; New York: Cambridge University Press, 2009.

Style de citation MLA (9e éd.)

Buzan, Barry, et Lene Hansen. The Evolution of International Security Studies. Cambridge University Press, 2009.