Cita APA (7th ed.)

Viessman, W., & Hammer, M. J. (1993). Water supply and pollution control (5th ed.). Harper Collins.

Cita Chicago (17th ed.)

Viessman, Warren, i Mark J. Hammer. Water Supply and Pollution Control. 5th ed. New York: Harper Collins, 1993.

Cita MLA (9th ed.)

Viessman, Warren, i Mark J. Hammer. Water Supply and Pollution Control. 5th ed. Harper Collins, 1993.