APA Edition Citation

Buzan, B. a. H. (2009). The evolution of international security studies. Cambridge.

Chicago Edition Citation

Buzan, Barry and Hansen. The Evolution of International Security Studies. CAmbridge: Cambridge, 2009.

MLA Edition Citation

Buzan, Barry and Hansen. The Evolution of International Security Studies. Cambridge, 2009.

Warning: These citations may not always be 100% accurate.