Cita APA

Bosetti, C., Negri, E., Franceschi, S., Trichopoulos, D., Beral, V., & La Vecchia, C. (2001). Relationship between postmenopausal hormone replacement therapy and ovarian cancer.

Citación estilo Chicago

Bosetti, C., E. Negri, S. Franceschi, D. Trichopoulos, V. Beral, and C. La Vecchia. Relationship Between Postmenopausal Hormone Replacement Therapy and Ovarian Cancer. 2001.

Cita MLA

Bosetti, C., et al. Relationship Between Postmenopausal Hormone Replacement Therapy and Ovarian Cancer. 2001.