APA (7th ed.) Citation

Skipp, B., Lageson, D. R., & McMannis, W. J. (1999). Geologic map of the Sedan quadrangle, Gallatin and Park Counties, Montana (Version 2.1.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Skipp, Betty, David R. Lageson, and William J. McMannis. Geologic Map of the Sedan Quadrangle, Gallatin and Park Counties, Montana. Version 2.1. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Skipp, Betty, et al. Geologic Map of the Sedan Quadrangle, Gallatin and Park Counties, Montana. Version 2.1. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.