United States. Bureau of Mines & United States. Department of the Interior. (1988). Minerals yearbook. U.S. Department of the Interior.
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines and United States. Department of the Interior. Minerals Yearbook. Washington, DC: U.S. Department of the Interior, 1988.
MLA (9th ed.) CitationUnited States. Bureau of Mines and United States. Department of the Interior. Minerals Yearbook. U.S. Department of the Interior, 1988.
Warning: These citations may not always be 100% accurate.