APA (7th ed.) Citation

Horgan & Bjorgo. (2009). Leaving terrorism behind: Individual and collective disengagement. Routledge.

Chicago Style (17th ed.) Citation

Horgan and Bjorgo. Leaving Terrorism Behind: Individual and Collective Disengagement. Milton Park, Abingdon, Oxon New York: Routledge, 2009.

MLA (8th ed.) Citation

Horgan and Bjorgo. Leaving Terrorism Behind: Individual and Collective Disengagement. Routledge, 2009.