Cita APA (7th ed.)

Wexler, P., & Gad, S. C. (1998). Encyclopedia of toxicology (3rd ed.). Academic Press.

Cita Chicago (17th ed.)

Wexler, Philip, i Shayne C. Gad. Encyclopedia of Toxicology. 3rd ed. San Diego: Academic Press, 1998.

Cita MLA (8th ed.)

Wexler, Philip, i Shayne C. Gad. Encyclopedia of Toxicology. 3rd ed. Academic Press, 1998.