Cita APA

Trussell, J., Stewart, F., Potts, M., Guest, F., & Ellertson, C. (1993). Should oral contraceptives be available without prescription?

Chicago Style Citation

Trussell, J., F. Stewart, M. Potts, F. Guest, i C. Ellertson. Should Oral Contraceptives Be Available Without Prescription? 1993.

Cita MLA

Trussell, J., et al. Should Oral Contraceptives Be Available Without Prescription? 1993.