APA (7th ed.) Citation

Hardenbergh, W. A. (1938). Water supply and purification. International Textbook Co..

Chicago Style (17th ed.) Citation

Hardenbergh, W. A. Water Supply and Purification. Scranton, Pa.: International Textbook Co., 1938.

MLA (9th ed.) Citation

Hardenbergh, W. A. Water Supply and Purification. International Textbook Co., 1938.