APA Style
Terrell,C.R and Perfetti,P.B. (1989).
Water Quality Indicators Guide: Surface Waters. (USDA) .
Washington,D.C:
USDA, Soil Conservation Service.
Chicago Style
Terrell,C.R and Perfetti,P.B.
Water Quality Indicators Guide: Surface Waters. (USDA).
Washington,D.C:
USDA, Soil Conservation Service,
1989.
.
MLA Style
Terrell,C.R and Perfetti,P.B.
Water Quality Indicators Guide: Surface Waters. (USDA).
Washington,D.C:
USDA, Soil Conservation Service,
1989.
.
Turabian Style
Terrell,C.R and Perfetti,P.B.
Water Quality Indicators Guide: Surface Waters. (USDA).
Washington,D.C:
USDA, Soil Conservation Service,
1989.
.