Cita APA

Grey, A., & Bolland, M. (2012). Vitamin D and tuberculosis. National Academy of Sciences.

Chicago Style Citation

Grey, Andrew, i Mark Bolland. Vitamin D and Tuberculosis. National Academy of Sciences, 2012.

Cita MLA

Grey, Andrew, i Mark Bolland. Vitamin D and Tuberculosis. National Academy of Sciences, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.