APA (7th ed.) Citation

Ankersen, C., & O'Leary, M. K. (2007). Understanding global terror. Polity Press.

Chicago Style (17th ed.) Citation

Ankersen, Christopher, and Michael Kent O'Leary. Understanding Global Terror. Cambridge: Polity Press, 2007.

MLA (9th ed.) Citation

Ankersen, Christopher, and Michael Kent O'Leary. Understanding Global Terror. Polity Press, 2007.