Morton, D. M. (1983). Mineral resource potential map of the Cucamonga roadless areas, San Bernardino County, California. U.S. Geological Survey.
Chicago Style (17th ed.) CitationMorton, Douglas M. Mineral Resource Potential Map of the Cucamonga Roadless Areas, San Bernardino County, California. Reston, Va.: U.S. Geological Survey, 1983.
MLA (9th ed.) CitationMorton, Douglas M. Mineral Resource Potential Map of the Cucamonga Roadless Areas, San Bernardino County, California. U.S. Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.