Process design manual for nitrogen control.
APA Citation
United States. Environmental Protection Agency. Office of Technology Transfer. (1975). Process design manual for nitrogen control. [Washington]: U.S. Environmental Protection Agency, Technology Transfer.
MLA Citation
United States. Environmental Protection Agency. Office of Technology Transfer. Process Design Manual for Nitrogen Control. [Washington]: U.S. Environmental Protection Agency, Technology Transfer, 1975.
Warning: These citations may not always be complete (especially for serials).