APA Citation

Luppens, J. A. 1. (2013). Assessment of coal geology, resources, and reserve base in the Powder River Basin, Wyoming and Montana. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style Citation

Luppens, James A. 1946-. Assessment of Coal Geology, Resources, and Reserve Base in the Powder River Basin, Wyoming and Montana. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2013.

MLA Citation

Luppens, James A. 1946-. Assessment of Coal Geology, Resources, and Reserve Base in the Powder River Basin, Wyoming and Montana. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2013.

Warning: These citations may not always be 100% accurate.