APA-referens

Harmon, Q. E., Umbach, D. M., & Baird, D. D. (2016). Use of Estrogen-Containing Contraception Is Associated With Increased Concentrations of 25-Hydroxy Vitamin D. J Clin Endocrinol Metab.

Chicago-stil citat

Harmon, Quaker E., David M. Umbach, och Donna D. Baird. "Use of Estrogen-Containing Contraception Is Associated With Increased Concentrations of 25-Hydroxy Vitamin D." J Clin Endocrinol Metab 2016.

MLA-referens

Harmon, Quaker E., David M. Umbach, och Donna D. Baird. "Use of Estrogen-Containing Contraception Is Associated With Increased Concentrations of 25-Hydroxy Vitamin D." J Clin Endocrinol Metab 2016.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.