APA-referens

Vrieling, A., Hein, R., Abbas, S., Schneeweiss, A., Flesch-Janys, D., & Chang-Claude, J. (2011). Serum 25-hydroxyvitamin D and postmenopausal breast cancer survival: A prospective patient cohort study. BioMed Central.

Chicago-stil citat

Vrieling, Alina, Rebecca Hein, Sascha Abbas, Andreas Schneeweiss, Dieter Flesch-Janys, och Jenny Chang-Claude. Serum 25-hydroxyvitamin D and Postmenopausal Breast Cancer Survival: A Prospective Patient Cohort Study. BioMed Central, 2011.

MLA-referens

Vrieling, Alina, et al. Serum 25-hydroxyvitamin D and Postmenopausal Breast Cancer Survival: A Prospective Patient Cohort Study. BioMed Central, 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.