APA Edition Citation

Hopkin, S. P., Peakall, D. B., Sibly, R. M., & Walker, C. H. (2002). Principles of Ecotoxicology (2.).

Chicago Edition Citation

Hopkin, S P., D B. Peakall, R M. Sibly, and C H. Walker. Principles of Ecotoxicology. 2. London, Taylor & Francis, 2002.

MLA Edition Citation

Hopkin, S P., et al. Principles of Ecotoxicology. 2. 2002.