Cita APA (7th ed.)

Viessman, W., & Hammer, M. J. (1998). Water supply and pollution control (6th.ed.). Addison-Wesley.

Cita Chicago (17th ed.)

Viessman, Warren, i Mark J. Hammer. Water Supply and Pollution Control. 6th.ed. Menlo Park: Addison-Wesley, 1998.

Cita MLA (9th ed.)

Viessman, Warren, i Mark J. Hammer. Water Supply and Pollution Control. 6th.ed. Addison-Wesley, 1998.