APA (7th ed.) Citation

Si, S., Boyle, T., Heyworth, J., Glass, D., Saunders, C., & Fritschi, L. (2015). Lifetime physical activity and risk of breast cancer in pre-and post-menopausal women. Springer New York LLC.

Chicago Style (17th ed.) Citation

Si, Si, T. Boyle, J. Heyworth, D. Glass, C. Saunders, and Lin Fritschi. Lifetime Physical Activity and Risk of Breast Cancer in Pre-and Post-menopausal Women. Springer New York LLC, 2015.

MLA (9th ed.) Citation

Si, Si, et al. Lifetime Physical Activity and Risk of Breast Cancer in Pre-and Post-menopausal Women. Springer New York LLC, 2015.