APA (7th ed.) Citation

Koch, N. C. (1983). A digital-computer model of the Big Sioux aquifer in Minnehaha County, South Dakota. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Koch, Neil C. A Digital-computer Model of the Big Sioux Aquifer in Minnehaha County, South Dakota. Huron, South Dakota: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Koch, Neil C. A Digital-computer Model of the Big Sioux Aquifer in Minnehaha County, South Dakota. U.S. Geological Survey, 1983.