APA (7th ed.) Citation

United States. Central Intelligence Agency. The world factbook. U.S. Central Intelligence Agency.

Chicago Style (17th ed.) Citation

United States. Central Intelligence Agency. The World Factbook. [Washington, D.C.]: U.S. Central Intelligence Agency.

MLA (9th ed.) Citation

United States. Central Intelligence Agency. The World Factbook. U.S. Central Intelligence Agency.

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