APA (7th ed.) Citation

Geological Survey (U.S.) & Brownfield, M. E. (2009). Nahcolite resources in the Green River Formation, Piceance Basin, northwestern Colorado. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and M. E. Brownfield. Nahcolite Resources in the Green River Formation, Piceance Basin, Northwestern Colorado. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.

MLA (9th ed.) Citation

Geological Survey (U.S.) and M. E. Brownfield. Nahcolite Resources in the Green River Formation, Piceance Basin, Northwestern Colorado. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.