APA (7th ed.) Citation

Geological Survey, Fullerton, D. S., North Dakota Geological Survey, South Dakota Geological Survey, & Minnesota Geological Survey. (1995). Quaternary geologic map of the Dakotas 4⁰ x 6⁰ quadrangle, United States. The Survey ; For sale by Map Distribution.

Chicago Style (17th ed.) Citation

Geological Survey, David S. Fullerton, North Dakota Geological Survey, South Dakota Geological Survey, and Minnesota Geological Survey. Quaternary Geologic Map of the Dakotas 4⁰ X 6⁰ Quadrangle, United States. Reston, VA : Denver, CO: The Survey ; For sale by Map Distribution, 1995.

MLA (8th ed.) Citation

Geological Survey, et al. Quaternary Geologic Map of the Dakotas 4⁰ X 6⁰ Quadrangle, United States. The Survey ; For sale by Map Distribution, 1995.