Cita APA (7th ed.)

Manahan, S. E. (1991). Environmental chemistry (5a. ed.). Lewis.

Cita Chicago (17th ed.)

Manahan, Stanley E. Environmental Chemistry. 5a. ed. Chelsea: Lewis, 1991.

Cita MLA (9th ed.)

Manahan, Stanley E. Environmental Chemistry. 5a. ed. Lewis, 1991.