Lee, Y. O., Mukherjea, A., & Grana, R. (2013). Hookah steam stones: Smoking vapour expands from electronic cigarettes to waterpipes. Tobacco control, 22(2), 136-137. https://doi.org/10.1136/tobaccocontrol-2012-050557
Chicago Style (17th ed.) CitationLee, Youn Ok, Arnab Mukherjea, and Rachel Grana. "Hookah Steam Stones: Smoking Vapour Expands from Electronic Cigarettes to Waterpipes." Tobacco Control 22, no. 2 (2013): 136-137. https://doi.org/10.1136/tobaccocontrol-2012-050557.
MLA (9th ed.) CitationLee, Youn Ok, et al. "Hookah Steam Stones: Smoking Vapour Expands from Electronic Cigarettes to Waterpipes." Tobacco Control, vol. 22, no. 2, 2013, pp. 136-137, https://doi.org/10.1136/tobaccocontrol-2012-050557.
Warning: These citations may not always be 100% accurate.