APA (7th ed.) Citation

Johnson, K. H., & Savoca, M. E. (2011). Numerical simulation of the groundwater-flow system in tributary subbasins and vicinity, lower Skagit River Basin, Skagit and Snohomish Counties, Washington (Version 1.1, March 2011.). U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, Kenneth H., and Mark E. Savoca. Numerical Simulation of the Groundwater-flow System in Tributary Subbasins and Vicinity, Lower Skagit River Basin, Skagit and Snohomish Counties, Washington. Version 1.1, March 2011. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Johnson, Kenneth H., and Mark E. Savoca. Numerical Simulation of the Groundwater-flow System in Tributary Subbasins and Vicinity, Lower Skagit River Basin, Skagit and Snohomish Counties, Washington. Version 1.1, March 2011. U.S. Department of the Interior, U.S. Geological Survey, 2011.