APA (7th ed.) Citation

Buzan, B., & Hansen, L. (2009). The evolution of international security studies (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Buzan, Barry, and Lene Hansen. The Evolution of International Security Studies. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 2009.

MLA (9th ed.) Citation

Buzan, Barry, and Lene Hansen. The Evolution of International Security Studies. 1. publ. Cambridge Univ. Press, 2009.