APA (7th ed.) Citation

Webb, R. H., & Betancourt, J. L. (1992). Climatic variability and flood frequency of the Santa Cruz River, Pima County, Arizona. U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by Book and Open-File Report Sales.

Chicago Style (17th ed.) Citation

Webb, Robert H., and Julio L. Betancourt. Climatic Variability and Flood Frequency of the Santa Cruz River, Pima County, Arizona. [Reston, Va.?] : Denver, Co: U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by Book and Open-File Report Sales, 1992.

MLA (8th ed.) Citation

Webb, Robert H., and Julio L. Betancourt. Climatic Variability and Flood Frequency of the Santa Cruz River, Pima County, Arizona. U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by Book and Open-File Report Sales, 1992.