Martin, G. (2020). Understanding homeland security (Third edition.). SAGE.
Chicago Style (17th ed.) CitationMartin, Gus. Understanding Homeland Security. Third edition. Los Angeles London New Delhi Singapore Washington DC Melbourne: SAGE, 2020.
MLA (9th ed.) CitationMartin, Gus. Understanding Homeland Security. Third edition. SAGE, 2020.
Warning: These citations may not always be 100% accurate.