APA (7th ed.) Citation

Geological Survey (U.S.), Donnell, J. R., Yeend, W. E., & Smith, M. C. (1990). Geologic map of the South Mamm Peak quadrangle, Garfield and Mesa counties, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), John R. Donnell, Warren E. Yeend, and Marjorie C. Smith. Geologic Map of the South Mamm Peak Quadrangle, Garfield and Mesa Counties, Colorado. Reston, Va.: The Survey, 1990.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the South Mamm Peak Quadrangle, Garfield and Mesa Counties, Colorado. The Survey, 1990.