Cita APA

Stepanov, I., Jensen, J., Hatsukami, D., & Hecht, S. S. (2008). New and traditional smokeless tobacco: Comparison of toxicant and carcinogen levels.

Citación estilo Chicago

Stepanov, Irina, Joni Jensen, Dorothy Hatsukami, y Stephen S. Hecht. New and Traditional Smokeless Tobacco: Comparison of Toxicant and Carcinogen Levels. 2008.

Cita MLA

Stepanov, Irina, Joni Jensen, Dorothy Hatsukami, y Stephen S. Hecht. New and Traditional Smokeless Tobacco: Comparison of Toxicant and Carcinogen Levels. 2008.