Geological Survey (U.S.) & Wentworth, C. M. (1999). Preliminary geologic map of the San Jose 30 x 60-minute quadrangle, California: A digital database. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Carl M. Wentworth. Preliminary Geologic Map of the San Jose 30 X 60-minute Quadrangle, California: A Digital Database. [Reston, Va.]: The Survey, 1999.
MLA (9th ed.) CitationGeological Survey (U.S.) and Carl M. Wentworth. Preliminary Geologic Map of the San Jose 30 X 60-minute Quadrangle, California: A Digital Database. The Survey, 1999.
Warning: These citations may not always be 100% accurate.