Cita APA (7a ed.)

United States. Agency for Toxic Substances and Disease Registry. (1997). Toxicological profile for chlorpyrifos. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances Disease Registry.

Cita Chicago Style (17a ed.)

United States. Agency for Toxic Substances and Disease Registry. Toxicological Profile for Chlorpyrifos. Atlanta, GA: U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances Disease Registry, 1997.

Cita MLA (9a ed.)

United States. Agency for Toxic Substances and Disease Registry. Toxicological Profile for Chlorpyrifos. U.S. Dept. of Health and Human Services, Public Health Service, Agency for Toxic Substances Disease Registry, 1997.