APA (7th ed.) Citation

Mason, C. F. (1991). Biology of freshwater pollution (2nd ed.). Longman Scientific & Technical.

Chicago Style (17th ed.) Citation

Mason, C. F. Biology of Freshwater Pollution. 2nd ed. New York: Longman Scientific & Technical, 1991.

MLA (9th ed.) Citation

Mason, C. F. Biology of Freshwater Pollution. 2nd ed. Longman Scientific & Technical, 1991.