A national urban water resources research program.

APA Citation

United States. Office of Water Resources Research. (1971). A national urban water resources research program. Washington: U.S. Dept. of the Interior; for sale by the Supt. of Docs., U.S. Govt. Print. Off..

MLA Citation

United States. Office of Water Resources Research. A National Urban Water Resources Research Program. Washington: U.S. Dept. of the Interior; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1971.