Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Francis, B. Magnus. Toxic Substances in the Environment. New York [etc.]: Wiley & Sons, 1994.

Cita MLA (9a ed.)

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