APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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