APA Style

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

Chicago Style

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

MLA Style

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

Turabian Style

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