APA (7th ed.) Citation

O, T., S, P., MM, H., BR, W., BO, B., W, M., . . . W, R. (2013). Vitamin D and mortality: A Mendelian randomization study. Clinical chemistry, 59(5), 793. https://doi.org/10.1373/clinchem.2012.193185

Chicago Style (17th ed.) Citation

O, Trummer, Pilz S, Hoffmann MM, Winkelmann BR, Boehm BO, März W, Pieber TR, Obermayer-Pietsch B, and Renner W. "Vitamin D and Mortality: A Mendelian Randomization Study." Clinical Chemistry 59, no. 5 (2013): 793. https://doi.org/10.1373/clinchem.2012.193185.

MLA (9th ed.) Citation

O, Trummer, et al. "Vitamin D and Mortality: A Mendelian Randomization Study." Clinical Chemistry, vol. 59, no. 5, 2013, p. 793, https://doi.org/10.1373/clinchem.2012.193185.