The control of pollution caused by hydrographic modifications.
APA Citation
United States. Environmental Protection Agency. (1973). The control of pollution caused by hydrographic modifications. Washington: for sale by the Supt. of Docs., U.S. Govt. Print. Off..
MLA Citation
United States. Environmental Protection Agency. The Control of Pollution Caused by Hydrographic Modifications. Washington: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.
Warning: These citations may not always be complete (especially for serials).