APA (7th ed.) Citation

Geological Survey (U.S.). (1945). Ground-water resources of El Paso area, Tex. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Ground-water Resources of El Paso Area, Tex. [Washington]: [s.n.], 1945.

MLA (9th ed.) Citation

Geological Survey (U.S.). Ground-water Resources of El Paso Area, Tex. [s.n.], 1945.