Cita APA (7th ed.)

Walker, C. H., Sibly, R. M., & Hopkin, S. P. (2012). Principles of Ecotoxicology (4th ed.). CRC Press.

Cita Chicago (17th ed.)

Walker, C. H., R. M. Sibly, i S. P. Hopkin. Principles of Ecotoxicology. 4th ed. Boca Raton: CRC Press, 2012.

Cita MLA (9th ed.)

Walker, C. H., et al. Principles of Ecotoxicology. 4th ed. CRC Press, 2012.