Cita APA (7a ed.)

Lipnick, R., Buring, J., Hennekens, C., Rosner, B., Willett, W., Bain, C., . . . Speizer, F. (1986). Oral contraceptives and breast cancer. A prospective cohort study.

Cita Chicago Style (17a ed.)

Lipnick, R., et al. Oral Contraceptives and Breast Cancer. A Prospective Cohort Study. 1986.

Cita MLA (9a ed.)

Lipnick, R., et al. Oral Contraceptives and Breast Cancer. A Prospective Cohort Study. 1986.