APA (7th ed.) Citation

Geological Survey (U.S.) & Singer, D. A. (2001). Mineral deposit density: An update. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and D. A. Singer. Mineral Deposit Density: An Update. Reston, VA: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Geological Survey (U.S.) and D. A. Singer. Mineral Deposit Density: An Update. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.