Surface water supply of the United States, 1939. Part 7, Lower Mississippi River Basin
MLA
Paulsen, Carl G., et al. Surface water supply of the United States, 1939. Part 7, Lower Mississippi River Basin. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1940.
APA
Paulsen, C., Geological Survey (U.S.), Arkansas., Colorado., Kansas., Kentucky., Louisiana., Mississippi., Missouri., New Mexico., Oklahoma., Tennessee. & Texas. (1940). Surface water supply of the United States, 1939. Part 7, Lower Mississippi River Basin. [Washington, D.C.] : United States Department of the Interior, Geological Survey.
Chicago
Paulsen, Carl G., Geological Survey (U.S.), Arkansas., Colorado., Kansas., Kentucky. and Louisiana., et al. Surface water supply of the United States, 1939. Part 7, Lower Mississippi River Basin. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1940.