Hopkins, E. S. (1936). Water purification control. Williams & Wilkins.
Chicago Style (17th ed.) CitationHopkins, Edward Scott. Water Purification Control. Baltimore: Williams & Wilkins, 1936.
MLA (9th ed.) CitationHopkins, Edward Scott. Water Purification Control. Williams & Wilkins, 1936.
Warning: These citations may not always be 100% accurate.