APA (7th ed.) Citation

Steven, T. A., & Ratté, J. C. (1973). Geologic map of the Creede quadrangle, Mineral and Saguache Counties, Colorado. Geological Survey.

Chicago Style (17th ed.) Citation

Steven, Thomas A., and James Clifford Ratté. Geologic Map of the Creede Quadrangle, Mineral and Saguache Counties, Colorado. Washington: Geological Survey, 1973.

MLA (8th ed.) Citation

Steven, Thomas A., and James Clifford Ratté. Geologic Map of the Creede Quadrangle, Mineral and Saguache Counties, Colorado. Geological Survey, 1973.