APA (7th ed.) Citation

Johnson, R. C. (2012). The systematic geologic mapping program and a quadrangle-by-quadrangle analysis of time-stratigraphic relations within oil shale-bearing rocks of the Piceance Basin, western Colorado. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, Ronald C. The Systematic Geologic Mapping Program and a Quadrangle-by-quadrangle Analysis of Time-stratigraphic Relations Within Oil Shale-bearing Rocks of the Piceance Basin, Western Colorado. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Johnson, Ronald C. The Systematic Geologic Mapping Program and a Quadrangle-by-quadrangle Analysis of Time-stratigraphic Relations Within Oil Shale-bearing Rocks of the Piceance Basin, Western Colorado. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.