APA (7th ed.) Citation

Berrington, A., Jha, P., Peto, J., Green, J., & Hermon, C. (2002). Oral contraceptives and cervical cancer.

Chicago Style (17th ed.) Citation

Berrington, A., P. Jha, J. Peto, J. Green, and C. Hermon. Oral Contraceptives and Cervical Cancer. 2002.

MLA (9th ed.) Citation

Berrington, A., et al. Oral Contraceptives and Cervical Cancer. 2002.