APA (7th ed.) Citation

Geological Survey (U.S.), California Geological Survey, San Gorgonio Pass Water Agency, Matti, J. C., Morton, D. M., & Langenheim, V. E. (2015). Geologic and geophysical maps of the El Casco 7.5' quadrangle, Riverside County, California, with accompanying geologic-map database. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), California Geological Survey, San Gorgonio Pass Water Agency, Jonathan C. Matti, Douglas M. Morton, and Victoria E. Langenheim. Geologic and Geophysical Maps of the El Casco 7.5' Quadrangle, Riverside County, California, with Accompanying Geologic-map Database. [Washington, D.C.]: U.S. Department of the Interior, U.S. Geological Survey, 2015.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic and Geophysical Maps of the El Casco 7.5' Quadrangle, Riverside County, California, with Accompanying Geologic-map Database. U.S. Department of the Interior, U.S. Geological Survey, 2015.