Cita APA (7a ed.)

Calle, E., Heath, C., MiracleMcMahill, H., Coates, R., Liff, J., Franceschi, S., . . . Nomura, A. (1996). Breast cancer and hormonal contraceptives: Further results.

Cita Chicago Style (17a ed.)

Calle, E., et al. Breast Cancer and Hormonal Contraceptives: Further Results. 1996.

Cita MLA (9a ed.)

Calle, E., et al. Breast Cancer and Hormonal Contraceptives: Further Results. 1996.