Helley, E. J., Lajoie, K. R., & Burke, D. B. (1972). Geologic map of Late Cenozoic deposits, Alameda County, California. Geological Survey.
Chicago Style (17th ed.) CitationHelley, Edward J., K. R. Lajoie, and D. B. Burke. Geologic Map of Late Cenozoic Deposits, Alameda County, California. [Menlo Park]: Geological Survey, 1972.
MLA (9th ed.) CitationHelley, Edward J., et al. Geologic Map of Late Cenozoic Deposits, Alameda County, California. Geological Survey, 1972.
Warning: These citations may not always be 100% accurate.