APA (7th ed.) Citation

United States. Bureau of Mines, United States. Branch of Industrial Minerals, United States. Bureau of Mines. Branch of Data Collection and Coordination, United States. Bureau of Mines. Industrial Minerals Data, & Geological Survey (U.S.). Fluorspar. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines, United States. Branch of Industrial Minerals, United States. Bureau of Mines. Branch of Data Collection and Coordination, United States. Bureau of Mines. Industrial Minerals Data, and Geological Survey (U.S.). Fluorspar. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines.

MLA (9th ed.) Citation

United States. Bureau of Mines, et al. Fluorspar. U.S. Dept. of the Interior, Bureau of Mines.