Engberg, R. A., Spalding, R. F., & University of Nebraska--Lincoln. Conservation and Survey Division. (1978). Groundwater quality atlas of Nebraska. Conservation and Survey Division, Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln.
Chicago Style (17th ed.) CitationEngberg, R. A., Roy F. Spalding, and University of Nebraska--Lincoln. Conservation and Survey Division. Groundwater Quality Atlas of Nebraska. Lincoln, Neb.: Conservation and Survey Division, Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln, 1978.
MLA (8th ed.) CitationEngberg, R. A., et al. Groundwater Quality Atlas of Nebraska. Conservation and Survey Division, Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln, 1978.