Cita APA (7a ed.)

Gram, I., Lukanova, A., Brill, I., Braaten, T., Lund, E., Lundin, E., . . . Sánchez, M. (2011). Cigarette smoking and risk of histological subtypes of epithelial ovarian cancer in the EPIC cohort study.

Cita Chicago Style (17a ed.)

Gram, I., et al. Cigarette Smoking and Risk of Histological Subtypes of Epithelial Ovarian Cancer in the EPIC Cohort Study. 2011.

Cita MLA (9a ed.)

Gram, I., et al. Cigarette Smoking and Risk of Histological Subtypes of Epithelial Ovarian Cancer in the EPIC Cohort Study. 2011.