APA Style

CORNWELL, DAVID A., Davis, Mackenzie. (1991). Introduction To Environtmental Engineering . New York: McGraw-Hill. Inc.

Chicago Style

CORNWELL, DAVID A., Davis, Mackenzie. Introduction To Environtmental Engineering. New York: McGraw-Hill. Inc, 1991. Text.

MLA Style

CORNWELL, DAVID A., Davis, Mackenzie. Introduction To Environtmental Engineering. New York: McGraw-Hill. Inc, 1991. Text.

Turabian Style

CORNWELL, DAVID A., Davis, Mackenzie. Introduction To Environtmental Engineering. New York: McGraw-Hill. Inc, 1991. Print.