APA (7th ed.) Citation

Geological Survey (U.S.), Maldonado, F., & Schmidt, D. L. (1991). Geologic map of the southern Sheep Range, Fossil Ridge, and Castle Rock area, Clark County, Nevada. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Florian Maldonado, and Dwight Lyman Schmidt. Geologic Map of the Southern Sheep Range, Fossil Ridge, and Castle Rock Area, Clark County, Nevada. Reston, Va.: The Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Southern Sheep Range, Fossil Ridge, and Castle Rock Area, Clark County, Nevada. The Survey, 1991.