APA (7th ed.) Citation

Hansen, B., Toft, P., & Wivel, A. (2009). Security strategies and American world order: Lost power. Routledge.

Chicago Style (17th ed.) Citation

Hansen, Birthe, Peter Toft, and Anders Wivel. Security Strategies and American World Order: Lost Power. London ; New York: Routledge, 2009.

MLA (8th ed.) Citation

Hansen, Birthe, et al. Security Strategies and American World Order: Lost Power. Routledge, 2009.