Cita APA (7a ed.)

Klaassen, C. D., & Watkins III, J. B. (2003). Casarett and Doull's Essentials of Toxicology. The McGraw-Hill Companies.

Cita Chicago Style (17a ed.)

Klaassen, Curtis D., y John B. Watkins III. Casarett and Doull's Essentials of Toxicology. USA: The McGraw-Hill Companies, 2003.

Cita MLA (9a ed.)

Klaassen, Curtis D., y John B. Watkins III. Casarett and Doull's Essentials of Toxicology. The McGraw-Hill Companies, 2003.