R, A. A., S, R., I, I., A, B., S, F., AL, S., . . . W, M. (2015). A comparative study of systemic carcinogen exposure in waterpipe smokers, cigarette smokers and non-smokers. Tobacco control, 24(2), 125. https://doi.org/10.1136/tobaccocontrol-2013-051206
Chicago Style (17th ed.) CitationR, Al Ali, Rastam S, Ibrahim I, Bazzi A, Fayad S, Shihadeh AL, Zaatari GS, and Maziak W. "A Comparative Study of Systemic Carcinogen Exposure in Waterpipe Smokers, Cigarette Smokers and Non-smokers." Tobacco Control 24, no. 2 (2015): 125. https://doi.org/10.1136/tobaccocontrol-2013-051206.
MLA (9th ed.) CitationR, Al Ali, et al. "A Comparative Study of Systemic Carcinogen Exposure in Waterpipe Smokers, Cigarette Smokers and Non-smokers." Tobacco Control, vol. 24, no. 2, 2015, p. 125, https://doi.org/10.1136/tobaccocontrol-2013-051206.