APA (7th ed.) Citation

Humphries, M. (2020). Critical minerals and U.S. public policy ([Library of Congress public edition].). Congressional Research Service.

Chicago Style (17th ed.) Citation

Humphries, Marc. Critical Minerals and U.S. Public Policy. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2020.

MLA (9th ed.) Citation

Humphries, Marc. Critical Minerals and U.S. Public Policy. [Library of Congress public edition]. Congressional Research Service, 2020.