Cita APA

MacLennan, C. A., & Saul, A. (2014). Vaccines against poverty. National Academy of Sciences.

Citación estilo Chicago

MacLennan, Calman A., y Allan Saul. Vaccines against Poverty. National Academy of Sciences, 2014.

Cita MLA

MacLennan, Calman A., y Allan Saul. Vaccines against Poverty. National Academy of Sciences, 2014.

Precaución: Estas citas no son 100% exactas.