APA Alıntı

Fernandez, E., Vecchia, C. L., Balducci, A., Chatenoud, L., Franceschi, S., & Negri, E. (2001). Oral contraceptives and colorectal cancer risk: A meta-analysis. Nature Publishing Group.

Chicago Stili Alıntı

Fernandez, E., C La Vecchia, A. Balducci, L. Chatenoud, S. Franceschi, ve E. Negri. Oral Contraceptives and Colorectal Cancer Risk: A Meta-analysis. Nature Publishing Group, 2001.

MLA Alıntı

Fernandez, E., et al. Oral Contraceptives and Colorectal Cancer Risk: A Meta-analysis. Nature Publishing Group, 2001.