APA引文

Eliassen, A. H., Spiegelman, D., Hollis, B. W., Horst, R. L., Willett, W. C., & Hankinson, S. E. (2011). Plasma 25-hydroxyvitamin D and risk of breast cancer in the Nurses' Health Study II. BioMed Central.

Citação norma Chicago

Eliassen, A Heather, Donna Spiegelman, Bruce W. Hollis, Ronald L. Horst, Walter C. Willett, and Susan E. Hankinson. Plasma 25-hydroxyvitamin D and Risk of Breast Cancer in the Nurses' Health Study II. BioMed Central, 2011.

MLA引文

Eliassen, A Heather, et al. Plasma 25-hydroxyvitamin D and Risk of Breast Cancer in the Nurses' Health Study II. BioMed Central, 2011.