APA (7th ed.) Citation

Melun, M. E. (1991). Countries of the world: Sources of information. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Melun, Margaret E. Countries of the World: Sources of Information. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1991.

MLA (9th ed.) Citation

Melun, Margaret E. Countries of the World: Sources of Information. Congressional Research Service, Library of Congress, 1991.