APA (7th ed.) Citation

Wilshire, H. G., Bedford, D. R., & Coleman, T. (2002). Digital version of "Open-file report 92-182: Geologic map of the Marl Mountains quadrangle, San Bernardino County, California". U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Wilshire, Howard Gordon, David R. Bedford, and Teresa Coleman. Digital Version of "Open-file Report 92-182: Geologic Map of the Marl Mountains Quadrangle, San Bernardino County, California". [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

MLA (9th ed.) Citation

Wilshire, Howard Gordon, et al. Digital Version of "Open-file Report 92-182: Geologic Map of the Marl Mountains Quadrangle, San Bernardino County, California". U.S. Dept. of the Interior, U.S. Geological Survey, 2002.