APA (7th ed.) Citation

East, J., Travis, S., & Leedham, S. (2015). Causality and chance in the development of cancer. Massachusetts Medical Society.

Chicago Style (17th ed.) Citation

East, J., S. Travis, and S. Leedham. Causality and Chance in the Development of Cancer. Massachusetts Medical Society, 2015.

MLA (9th ed.) Citation

East, J., et al. Causality and Chance in the Development of Cancer. Massachusetts Medical Society, 2015.