Cita APA

Gan, Q., Yang, J., Yang, G., Goniewicz, M., Benowitz, N. L., & Glantz, S. A. (2009). Chinese “Herbal” Cigarettes are as Carcinogenic and Addictive as Regular Cigarettes.

Chicago Style Citation

Gan, Quan, Jie Yang, Gonghuan Yang, Maciej Goniewicz, Neal L. Benowitz, i Stanton A. Glantz. Chinese “Herbal” Cigarettes Are As Carcinogenic and Addictive As Regular Cigarettes. 2009.

Cita MLA

Gan, Quan, et al. Chinese “Herbal” Cigarettes Are As Carcinogenic and Addictive As Regular Cigarettes. 2009.