Clapp, W. B., Martin, W. F., & Leighton, M. O. (1910). Surface water supply of the United States, 1907-8. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationClapp, W. B., W. F. Martin, and Marshall Ora Leighton. Surface Water Supply of the United States, 1907-8. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1910.
MLA (9th ed.) CitationClapp, W. B., et al. Surface Water Supply of the United States, 1907-8. Department of the Interior, United States Geological Survey, 1910.
Warning: These citations may not always be 100% accurate.