APA (7th ed.) Citation

Kepferle, R. C., & Culbertson, W. C. (1955). Strippable lignite deposits, Slope and Bowman Counties, North Dakota. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Kepferle, Roy Clark, and William C. Culbertson. Strippable Lignite Deposits, Slope and Bowman Counties, North Dakota. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1955.

MLA (9th ed.) Citation

Kepferle, Roy Clark, and William C. Culbertson. Strippable Lignite Deposits, Slope and Bowman Counties, North Dakota. United States Department of the Interior, Geological Survey, 1955.