APA Format
Viessman, Warren, Jr
; Hammer, Mark J.
. (1985;1998). Water supply and pollution control. Menlo Park, Cal. : Addison Wesley
MLA Format
Viessman, Warren, Jr; Hammer, Mark J.
. Water supply and pollution control. Menlo Park, Cal. : Addison Wesley, 1985;1998
Australian/Harvard Format
Viessman, Warren, Jr
; Hammer, Mark J.
. 1985;1998. Water supply and pollution control. Addison Wesley, Menlo Park, Cal.
Warning: These citations may not always be 100% accurate.