APA (7th ed.) Citation

Geological Survey (U.S.), Nebraska Geological Survey, University of Nebraska--Lincoln. Conservation and Survey Division, & Diffendal, R. F. (1991). Geologic map showing configuration of the bedrock surface, North Platte 1 x 2 quadrangle, Nebraska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Nebraska Geological Survey, University of Nebraska--Lincoln. Conservation and Survey Division, and R. F. Diffendal. Geologic Map Showing Configuration of the Bedrock Surface, North Platte 1 X 2 Quadrangle, Nebraska. Reston, Va.: U.S. Geological Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map Showing Configuration of the Bedrock Surface, North Platte 1 X 2 Quadrangle, Nebraska. U.S. Geological Survey, 1991.