APA (7th ed.) Citation

Geological Survey (U.S.), University of Michigan. Department of Geological Sciences, Farrand, W. R., Richmond, G. M., & Fullerton, D. S. (2002). Quaternary geologic map of the Lake Superior 4⁰ x 6⁰ quadrangle, United States and Canada (Version 1.1, posted Dec. 2002.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), University of Michigan. Department of Geological Sciences, William R. Farrand, Gerald Martin Richmond, and David S. Fullerton. Quaternary Geologic Map of the Lake Superior 4⁰ X 6⁰ Quadrangle, United States and Canada. Version 1.1, posted Dec. 2002. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Quaternary Geologic Map of the Lake Superior 4⁰ X 6⁰ Quadrangle, United States and Canada. Version 1.1, posted Dec. 2002. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.