Griffin, W. C., Swenson, H. A., & Watkins, F. A. (1956). Water resources of the Portland, Oregon, and Vancouver, Washington, area. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationGriffin, W. C., Herbert A. Swenson, and Frank A. Watkins. Water Resources of the Portland, Oregon, and Vancouver, Washington, Area. Washington, D.C.: United States Department of the Interior, Geological Survey, 1956.
MLA (9th ed.) CitationGriffin, W. C., et al. Water Resources of the Portland, Oregon, and Vancouver, Washington, Area. United States Department of the Interior, Geological Survey, 1956.
Warning: These citations may not always be 100% accurate.