Guswa, J. H., Siegel, D. I., & Gillies, D. C. (1982). Preliminary evaluation of the ground-water-flow system in the Twin Cities Metropolitan area, Minnesota. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGuswa, John H., Donald I. Siegel, and Daniel C. Gillies. Preliminary Evaluation of the Ground-water-flow System in the Twin Cities Metropolitan Area, Minnesota. St. Paul, Minnesota: U.S. Geological Survey, 1982.
MLA (9th ed.) CitationGuswa, John H., et al. Preliminary Evaluation of the Ground-water-flow System in the Twin Cities Metropolitan Area, Minnesota. U.S. Geological Survey, 1982.
Warning: These citations may not always be 100% accurate.