APA (7th ed.) Citation

Geological Survey (U.S.). (1939). Surface water supply of United States, 1937: Pt. 8, Western Gulf of Mexico basins. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Surface Water Supply of United States, 1937: Pt. 8, Western Gulf of Mexico Basins. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

Geological Survey (U.S.). Surface Water Supply of United States, 1937: Pt. 8, Western Gulf of Mexico Basins. [s.n.], 1939.