APA (7th ed.) Citation

Watt Graham CM, Gruer Laurence, Davey Smith George, & Hart Carole L. (2010). The combined effect of smoking tobacco and drinking alcohol on cause-specific mortality: A 30 year cohort study. BMC.

Chicago Style (17th ed.) Citation

Watt Graham CM, Gruer Laurence, Davey Smith George, and Hart Carole L. The Combined Effect of Smoking Tobacco and Drinking Alcohol on Cause-specific Mortality: A 30 Year Cohort Study. BMC, 2010.

MLA (9th ed.) Citation

Watt Graham CM, et al. The Combined Effect of Smoking Tobacco and Drinking Alcohol on Cause-specific Mortality: A 30 Year Cohort Study. BMC, 2010.

Warning: These citations may not always be 100% accurate.