APA (7th ed.) Citation

Waananen, A. O., & Crippen, J. R. (1977). Magnitude and frequency of floods in California. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Waananen, Arvi O., and John R. Crippen. Magnitude and Frequency of Floods in California. Menlo Park, California: U.S. Geological Survey, 1977.

MLA (9th ed.) Citation

Waananen, Arvi O., and John R. Crippen. Magnitude and Frequency of Floods in California. U.S. Geological Survey, 1977.