APA (7th ed.) Citation

Water Resources Council (U.S.). (1970). Water resources regions and subregions for the national assessment of water and related land resources. The Council.

Chicago Style (17th ed.) Citation

Water Resources Council (U.S.). Water Resources Regions and Subregions for the National Assessment of Water and Related Land Resources. Washington, D.C.: The Council, 1970.

MLA (9th ed.) Citation

Water Resources Council (U.S.). Water Resources Regions and Subregions for the National Assessment of Water and Related Land Resources. The Council, 1970.