Cita APA (7th ed.)

Francis, B. M. (1994). Toxic substances in the environment. Wiley.

Cita Chicago (17th ed.)

Francis, B. Magnus. Toxic Substances in the Environment. New York: Wiley, 1994.

Cita MLA (9th ed.)

Francis, B. Magnus. Toxic Substances in the Environment. Wiley, 1994.