Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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