Clark, J. (1971). Water supply and pollution control (2a. ed.). Sacranton, Pennsylvania: [s.n.].
Chicago Style CitationClark, John. Water Supply and Pollution Control. 2a. ed. Sacranton, Pennsylvania: [s.n.], 1971.
MLA CitationClark, John. Water Supply and Pollution Control. 2a. ed. Sacranton, Pennsylvania: [s.n.], 1971.
Warning: These citations may not always be 100% accurate.