APA (7th ed.) Citation

Boyle, T., Keegel, T., Bull, F., Heyworth, J., & Fritschi, L. (2012). Physical activity and risks of proximal and distal colon cancers: A systematic review and meta-analysis. Oxford University Press.

Chicago Style (17th ed.) Citation

Boyle, T., T. Keegel, F. Bull, J. Heyworth, and Lin Fritschi. Physical Activity and Risks of Proximal and Distal Colon Cancers: A Systematic Review and Meta-analysis. Oxford University Press, 2012.

MLA (9th ed.) Citation

Boyle, T., et al. Physical Activity and Risks of Proximal and Distal Colon Cancers: A Systematic Review and Meta-analysis. Oxford University Press, 2012.