APA Edition Citation

Walker, C. H. (2012). Principles of ecotoxicology (4th ed.). CRC Press.

Chicago Edition Citation

Walker, C. Hetc. Principles of Ecotoxicology. 4th ed. London: CRC Press, 2012.

MLA Edition Citation

Walker, C. Hetc. Principles of Ecotoxicology. 4th ed. CRC Press, 2012.

Warning: These citations may not always be 100% accurate.