United States. Department of Homeland Security. (2011). National emergency communications plan: Urban area communications key findings and recommendations. U.S. Department of Homeland Security.
Chicago Style (17th ed.) CitationUnited States. Department of Homeland Security. National Emergency Communications Plan: Urban Area Communications Key Findings and Recommendations. [Washington, D.C.]: U.S. Department of Homeland Security, 2011.
MLA (9th ed.) CitationUnited States. Department of Homeland Security. National Emergency Communications Plan: Urban Area Communications Key Findings and Recommendations. U.S. Department of Homeland Security, 2011.
Warning: These citations may not always be 100% accurate.