Cita APA (7th ed.)
Manahan, S. E. (1999). Environmental chemistry (7th ed.). Lewis Pub.
Cita Chicago (17th ed.)
Manahan, Stanley E. Environmental Chemistry. 7th ed. New York: Lewis Pub, 1999.
Cita MLA (9th ed.)
Manahan, Stanley E. Environmental Chemistry. 7th ed. Lewis Pub, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.