APA (7th ed.) Citation

Giovino, G. A., Mirza, S. A., Samet, J. M., Gupta, P. C., Jarvis, M. J., Bhala, N., . . . Asma, S. (2012). Tobacco use in 3 billion individuals from 16 countries: An analysis of nationally representative cross-sectional household surveys. Lancet, 380(9842), 668. https://doi.org/10.1016/S0140-6736(12)61085-X

Chicago Style (17th ed.) Citation

Giovino, Gary A., et al. "Tobacco Use in 3 Billion Individuals from 16 Countries: An Analysis of Nationally Representative Cross-sectional Household Surveys." Lancet 380, no. 9842 (2012): 668. https://doi.org/10.1016/S0140-6736(12)61085-X.

MLA (9th ed.) Citation

Giovino, Gary A., et al. "Tobacco Use in 3 Billion Individuals from 16 Countries: An Analysis of Nationally Representative Cross-sectional Household Surveys." Lancet, vol. 380, no. 9842, 2012, p. 668, https://doi.org/10.1016/S0140-6736(12)61085-X.