APA (7th ed.) Citation

Geological Survey (U.S.) & Townsend, R. C. (1954). Geologic map of the Crosby quadrangle, North Dakota. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and R. C. Townsend. Geologic Map of the Crosby Quadrangle, North Dakota. Washington, D.C.: The Survey, 1954.

MLA (9th ed.) Citation

Geological Survey (U.S.) and R. C. Townsend. Geologic Map of the Crosby Quadrangle, North Dakota. The Survey, 1954.

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