APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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