APA (7th ed.) Citation

Carlson, C. G. (1969). Bedrock geologic map of North Dakota. [North Dakota Geological Survey].

Chicago Style (17th ed.) Citation

Carlson, C. G. Bedrock Geologic Map of North Dakota. [Bismarck?]: [North Dakota Geological Survey], 1969.

MLA (9th ed.) Citation

Carlson, C. G. Bedrock Geologic Map of North Dakota. [North Dakota Geological Survey], 1969.

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