APA (7th ed.) Citation

United States. General Accounting Office. (2002). Homeland security: Key elements to unify efforts are underway but uncertainty remains. U.S. General Accounting Office.

Chicago Style (17th ed.) Citation

United States. General Accounting Office. Homeland Security: Key Elements to Unify Efforts Are Underway but Uncertainty Remains. [Washington, D.C.]: U.S. General Accounting Office, 2002.

MLA (9th ed.) Citation

United States. General Accounting Office. Homeland Security: Key Elements to Unify Efforts Are Underway but Uncertainty Remains. U.S. General Accounting Office, 2002.