APA Format
Wark, Kenneth
; Warner, Cecil F.
. (1981). Air pollution : it's origin and control. New York : Harper and Row
MLA Format
Wark, Kenneth; Warner, Cecil F.
. Air pollution : it's origin and control. New York : Harper and Row, 1981
Australian/Harvard Format
Wark, Kenneth
; Warner, Cecil F.
. 1981. Air pollution : it's origin and control. Harper and Row, New York
Warning: These citations may not always be 100% accurate.