APA (7th ed.) Citation

Geological Survey (U.S.) & Ach, J. A. (1988). Geologic map of the Yellow Hills East quadrangle, Washoe and Humboldt counties, Nevada. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Jay A. Ach. Geologic Map of the Yellow Hills East Quadrangle, Washoe and Humboldt Counties, Nevada. Reston, Va.: The Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Jay A. Ach. Geologic Map of the Yellow Hills East Quadrangle, Washoe and Humboldt Counties, Nevada. The Survey, 1988.