Cita APA (7a ed.)

Water Pollution Control Federation & Water Environment Federation. (1989). Water environment & technology. Water Pollution Control Federation.

Cita Chicago Style (17a ed.)

Water Pollution Control Federation y Water Environment Federation. Water Environment & Technology. [Alexandria, VA]: Water Pollution Control Federation, 1989.

Cita MLA (9a ed.)

Water Pollution Control Federation y Water Environment Federation. Water Environment & Technology. Water Pollution Control Federation, 1989.