APA (7th ed.) Citation

Horgan, J. (2014). The psychology of terrorism (Rev. and updated 2. ed.). Routledge.

Chicago Style (17th ed.) Citation

Horgan, John. The Psychology of Terrorism. Rev. and updated 2. ed. London [u.a.]: Routledge, 2014.

MLA (8th ed.) Citation

Horgan, John. The Psychology of Terrorism. Rev. and updated 2. ed. Routledge, 2014.