APA citiranje

Kumar, J., Muntner, P., Kaskel, F. J., Hailpern, S. M., & Melamed, M. L. (2009). Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001–2004.

Citação norma Chicago

Kumar, Juhi, Paul Muntner, Frederick J. Kaskel, Susan M. Hailpern, and Michal L. Melamed. Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001–2004. 2009.

MLA citiranje

Kumar, Juhi, et al. Prevalence and Associations of 25-Hydroxyvitamin D Deficiency in US Children: NHANES 2001–2004. 2009.