APA (7th ed.) Citation

Stockwell, T. (1992). Pesticides and other chemicals in cigarette tobacco (Letter).

Chicago Style (17th ed.) Citation

Stockwell, Tim. Pesticides and Other Chemicals in Cigarette Tobacco (Letter). 1992.

MLA (9th ed.) Citation

Stockwell, Tim. Pesticides and Other Chemicals in Cigarette Tobacco (Letter). 1992.

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