Geological Survey (U.S.). (1941). Texas floods of 1938 and 1939. [s.n.].
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Texas Floods of 1938 and 1939. [Washington]: [s.n.], 1941.
MLA (9th ed.) CitationGeological Survey (U.S.). Texas Floods of 1938 and 1939. [s.n.], 1941.
Warning: These citations may not always be 100% accurate.