APA (7th ed.) Citation

Williams, P. (2008). Security studies: An introduction. Routledge.

Chicago Style (17th ed.) Citation

Williams, Paul. Security Studies: An Introduction. London ; New York: Routledge, 2008.

MLA (9th ed.) Citation

Williams, Paul. Security Studies: An Introduction. Routledge, 2008.

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