APA (7th ed.) Citation

Humphries, M. (1991). The oil and gas leasing system on federal lands. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Humphries, Marc. The Oil and Gas Leasing System on Federal Lands. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1991.

MLA (9th ed.) Citation

Humphries, Marc. The Oil and Gas Leasing System on Federal Lands. Congressional Research Service, Library of Congress, 1991.