Cita APA (7th ed.)

Travis, R., Crowe, F., Allen, N., Appleby, P., Roddam, A., Tjønneland, A., . . . Key, T. (2009). Serum vitamin D and risk of prostate cancer in a case-control analysis nested within the European Prospective Investigation into Cancer and Nutrition (EPIC).

Cita Chicago (17th ed.)

Travis, R., et al. Serum Vitamin D and Risk of Prostate Cancer in a Case-control Analysis Nested Within the European Prospective Investigation into Cancer and Nutrition (EPIC). 2009.

Cita MLA (9th ed.)

Travis, R., et al. Serum Vitamin D and Risk of Prostate Cancer in a Case-control Analysis Nested Within the European Prospective Investigation into Cancer and Nutrition (EPIC). 2009.