Cite
Mortality among 'never smokers"living with smokers: two cohort studies,1981-4 and 1996-9.
MLA
Hill, Sarah E., et al. “Mortality among 'never Smokers"living with Smokers: Two Cohort Studies,1981-4 and 1996-9.” BMJ: British Medical Journal (International Edition), vol. 328, no. 7446, Apr. 2004, pp. 988–89. EBSCOhost, https://doi.org/10.1136/bmj.38070.503009.
APA
Hill, S. E., Blakely, T. A., Kawachi, I., & Woodward, A. (2004). Mortality among 'never smokers"living with smokers: two cohort studies,1981-4 and 1996-9. BMJ: British Medical Journal (International Edition), 328(7446), 988–989. https://doi.org/10.1136/bmj.38070.503009
Chicago
Hill, Sarah E., Tony A. Blakely, Ichiro Kawachi, and Alistair Woodward. 2004. “Mortality among 'never Smokers"living with Smokers: Two Cohort Studies,1981-4 and 1996-9.” BMJ: British Medical Journal (International Edition) 328 (7446): 988–89. doi:10.1136/bmj.38070.503009.