APA (7th ed.) Citation

United States. Central Intelligence Agency. (2015). Standard time zones of the world, October 2015. [Central Intelligence Agency].

Chicago Style (17th ed.) Citation

United States. Central Intelligence Agency. Standard Time Zones of the World, October 2015. [Washington, D.C.]: [Central Intelligence Agency], 2015.

MLA (9th ed.) Citation

United States. Central Intelligence Agency. Standard Time Zones of the World, October 2015. [Central Intelligence Agency], 2015.