APA aipamena

Freishtat, R. J., Iqbal, S. F., Pillai, D. K., Klein, C. J., Ryan, L. M., Benton, A. S., & Teach, S. J. (2010). High Prevalence of Vitamin D Deficiency among Inner-City African American Youth with Asthma in Washington, DC.

Chicago Style aipamena

Freishtat, Robert J., Sabah F. Iqbal, Dinesh K. Pillai, Catherine J. Klein, Leticia M. Ryan, Angela S. Benton, and Stephen J. Teach. High Prevalence of Vitamin D Deficiency Among Inner-City African American Youth With Asthma in Washington, DC. 2010.

MLA aipamena

Freishtat, Robert J., et al. High Prevalence of Vitamin D Deficiency Among Inner-City African American Youth With Asthma in Washington, DC. 2010.