Citazione Stile APA (7a Edizione)

DAVIS, M. L., & CORNWELL, D. A. (1991). Introduction to environmental engineering.-- ed.2. McGraw-Hill Inc.

Citazione stile Chigago Style (17a edizione)

DAVIS, Mackenzie L., e David A. CORNWELL. Introduction to Environmental Engineering.-- Ed.2. New York: McGraw-Hill Inc, 1991.

Citatione MLA (9a ed.)

DAVIS, Mackenzie L., e David A. CORNWELL. Introduction to Environmental Engineering.-- Ed.2. McGraw-Hill Inc, 1991.