Pool, D. R., & Schmidt, W. (1997). Measurement of ground-water storage change and specific yield using the temporal-gravity method near Rillito Creek, Tucson, Arizona. U.S. Department of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor].
Chicago Style (17th ed.) CitationPool, D. R., and Werner Schmidt. Measurement of Ground-water Storage Change and Specific Yield Using the Temporal-gravity Method Near Rillito Creek, Tucson, Arizona. Tucson, Ariz. : Denver, CO: U.S. Department of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997.
MLA (9th ed.) CitationPool, D. R., and Werner Schmidt. Measurement of Ground-water Storage Change and Specific Yield Using the Temporal-gravity Method Near Rillito Creek, Tucson, Arizona. U.S. Department of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997.