Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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