APA (7th ed.) Citation

Johnson, G. D., McCormick, K. A., University of South Dakota. Science Center, & Geological Survey. (2005). Geology of Yankton County, South Dakota. University of South Dakota, Akeley-Lawrence Science Center.

Chicago Style (17th ed.) Citation

Johnson, Gary D., Kelli A. McCormick, University of South Dakota. Science Center, and Geological Survey. Geology of Yankton County, South Dakota. Vermillion, S.D.: University of South Dakota, Akeley-Lawrence Science Center, 2005.

MLA (8th ed.) Citation

Johnson, Gary D., et al. Geology of Yankton County, South Dakota. University of South Dakota, Akeley-Lawrence Science Center, 2005.