APA (7th ed.) Citation

Geological Survey (U.S.), Wallace, A. R., & Soulliere, S. J. (1996). Geologic map of the Ojito Peak quadrangle, Costilla County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Alan R. Wallace, and Sandra J. Soulliere. Geologic Map of the Ojito Peak Quadrangle, Costilla County, Colorado. Reston, VA: The Survey, 1996.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Ojito Peak Quadrangle, Costilla County, Colorado. The Survey, 1996.