Troxell, H. C. (1942). Floods of March 1938 in southern California. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationTroxell, Harold C. Floods of March 1938 in Southern California. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1942.
MLA (9th ed.) CitationTroxell, Harold C. Floods of March 1938 in Southern California. United States Department of the Interior, Geological Survey, 1942.
Warning: These citations may not always be 100% accurate.