APA (7th ed.) Citation

Ryan, W. J. (1946). Water treatment and purification (2. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Ryan, William J. Water Treatment and Purification. 2. ed. New York [u.a.]: McGraw-Hill, 1946.

MLA (9th ed.) Citation

Ryan, William J. Water Treatment and Purification. 2. ed. McGraw-Hill, 1946.