APA (7th ed.) Citation

Geological Survey (U.S.), Armin, R. A., John, D. A., & Moore, W. J. (1984). Geologic map of the Markleeville 15-minute quadrangle, Alpine County, California. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Richard A. Armin, David A. John, and William J. Moore. Geologic Map of the Markleeville 15-minute Quadrangle, Alpine County, California. Reston, Va.: The Survey, 1984.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Markleeville 15-minute Quadrangle, Alpine County, California. The Survey, 1984.