APA (7th ed.) Citation

Helley, E. J., & LaMarche, V. C. (1973). Historic flood information for northern California streams from geological and botanical evidence. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Helley, Edward J., and Valmore C. LaMarche. Historic Flood Information for Northern California Streams from Geological and Botanical Evidence. Washington: United States Department of the Interior, Geological Survey, 1973.

MLA (9th ed.) Citation

Helley, Edward J., and Valmore C. LaMarche. Historic Flood Information for Northern California Streams from Geological and Botanical Evidence. United States Department of the Interior, Geological Survey, 1973.

Warning: These citations may not always be 100% accurate.