APA (7th ed.) Citation

United States. Bureau of Mines & Geological Survey (U.S.). (1980). Principles of a resource/reserve classification for minerals. The Survey.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines and Geological Survey (U.S.). Principles of a Resource/reserve Classification for Minerals. [Reston, Va.]: The Survey, 1980.

MLA (9th ed.) Citation

United States. Bureau of Mines and Geological Survey (U.S.). Principles of a Resource/reserve Classification for Minerals. The Survey, 1980.

Warning: These citations may not always be 100% accurate.