Style de citation APA (7e éd.)

Purpura, P. P. (2007). Terrorism and homeland security: An introduction with applications. Butterworth-Heinemann.

Style de citation Chicago (17e éd.)

Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Amsterdam ; Boston: Butterworth-Heinemann, 2007.

Style de citation MLA (9e éd.)

Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Butterworth-Heinemann, 2007.