Physical map of the world, April 2000
MLA
Physical Map of the World, April 2000. [Washington, D.C.: Central Intelligence Agency], 2000
APA, 7th edition
(2000). Physical map of the world, April 2000. [Washington, D.C.: Central Intelligence Agency]
Chicago, 17th edition
Physical map of the world, April 2000. [Washington, D.C.: Central Intelligence Agency], 2000