APA (7th ed.) Citation

Lemke, R. W. (1960). Geology of the Souris River area, North Dakota. [publisher not identified].

Chicago Style (17th ed.) Citation

Lemke, Richard W. Geology of the Souris River Area, North Dakota. [Place of publication not identified]: [publisher not identified], 1960.

MLA (9th ed.) Citation

Lemke, Richard W. Geology of the Souris River Area, North Dakota. [publisher not identified], 1960.