Cita APA

Hammer, M. J., & Viessman, W. (1999). Water supply and pollution control (6.).

Chicago Edition Citation

Hammer, Mark J., i Warren Viessman. Water Supply and Pollution Control. 6. Newyork, Addison Wesley, 1999.

Cita MLA

Hammer, Mark J., i Warren Viessman. Water Supply and Pollution Control. 6. 1999.