APA (7th ed.) Citation

Lopez, M. A., Cobb, E. D., & Colón-Dieppa, E. (1979). Floods in Puerto Rico, magnitude and frequency. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Lopez, M. A., Ernest D. Cobb, and Eloy Colón-Dieppa. Floods in Puerto Rico, Magnitude and Frequency. Ft. Buchanan, Puerto Rico: U.S. Geological Survey, 1979.

MLA (9th ed.) Citation

Lopez, M. A., et al. Floods in Puerto Rico, Magnitude and Frequency. U.S. Geological Survey, 1979.