MLA

Greim, Helmut, and Robert Snyder. Toxicology and Risk Assessment : a Comprehensive Introduction. Chichester: Wiley, 2008.

APA

Greim, H., & Snyder, R. (2008). Toxicology and risk assessment : a comprehensive introduction. Chichester: Wiley.

Chicago

Greim, Helmut, and Robert Snyder. Toxicology and Risk Assessment: A Comprehensive Introduction. Chichester: Wiley, 2008.