APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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