Cita APA (7th ed.)

Buring, J., Hennekens, C., Lipnick, R., Willett, W., Stampfer, M., Rosner, B., . . . Speizer, F. (1987). A prospective cohort study of postmenopausal hormone use and risk of breast cancer in US women.

Cita Chicago (17th ed.)

Buring, J., C. Hennekens, R. Lipnick, W. Willett, M. Stampfer, B. Rosner, R. Peto, i F. Speizer. A Prospective Cohort Study of Postmenopausal Hormone Use and Risk of Breast Cancer in US Women. 1987.

Cita MLA (9th ed.)

Buring, J., et al. A Prospective Cohort Study of Postmenopausal Hormone Use and Risk of Breast Cancer in US Women. 1987.