APA (7th ed.) Citation

O'Keeffe, L., Taylor, G., Huxley, R., Mitchell, P., Woodward, M., & Peters, S. (2018). Smoking as a risk factor for lung cancer in women and men: A systematic review and meta-analysis. BM J Group.

Chicago Style (17th ed.) Citation

O'Keeffe, L., G. Taylor, Rachel Huxley, P. Mitchell, M. Woodward, and S. Peters. Smoking as a Risk Factor for Lung Cancer in Women and Men: A Systematic Review and Meta-analysis. BM J Group, 2018.

MLA (9th ed.) Citation

O'Keeffe, L., et al. Smoking as a Risk Factor for Lung Cancer in Women and Men: A Systematic Review and Meta-analysis. BM J Group, 2018.

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