APA (7th ed.) Citation

Geological Survey (U.S.), Maxwell, C. H., & Oakman, M. R. (1990). Geologic map of the Cuchillo quadrangle, Sierra County, New Mexico. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Charles H. Maxwell, and Mariel R. Oakman. Geologic Map of the Cuchillo Quadrangle, Sierra County, New Mexico. Reston, Va.: The Survey, 1990.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Cuchillo Quadrangle, Sierra County, New Mexico. The Survey, 1990.