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.
Precaución: Estas citas no son 100% exactas.