APA (7th ed.) Citation

Collins, A. (2016). Contemporary security studies (4th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Collins, Alan. Contemporary Security Studies. 4th ed. Oxford, United Kingdom ; New York, NY: Oxford University Press, 2016.

MLA (9th ed.) Citation

Collins, Alan. Contemporary Security Studies. 4th ed. Oxford University Press, 2016.