Cita APA (7a ed.)

Martin, G. (2020). Understanding homeland security (Third edition.). SAGE.

Cita Chicago Style (17a ed.)

Martin, Gus. Understanding Homeland Security. Third edition. Los Angeles London New Delhi Singapore Washington DC Melbourne: SAGE, 2020.

Cita MLA (9a ed.)

Martin, Gus. Understanding Homeland Security. Third edition. SAGE, 2020.