Style de citation APA (7e éd.)

United States. Bureau of Mines & Cornell, W. L. (1987). Continuous flotation testing to recover cobalt from Missouri lead ores. U.S. Dept. of the Interior, Bureau of Mines.

Style de citation Chicago (17e éd.)

United States. Bureau of Mines et W. L. Cornell. Continuous Flotation Testing to Recover Cobalt from Missouri Lead Ores. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1987.

Style de citation MLA (9e éd.)

United States. Bureau of Mines et W. L. Cornell. Continuous Flotation Testing to Recover Cobalt from Missouri Lead Ores. U.S. Dept. of the Interior, Bureau of Mines, 1987.