APA (7th ed.) Citation

United States. Central Intelligence Agency. (2001). Vietnam. [Central Intelligence Agency].

Chicago Style (17th ed.) Citation

United States. Central Intelligence Agency. Vietnam. [Washington, D.C.?]: [Central Intelligence Agency], 2001.

MLA (9th ed.) Citation

United States. Central Intelligence Agency. Vietnam. [Central Intelligence Agency], 2001.

Warning: These citations may not always be 100% accurate.