Foster, R. T. (2007). Mal de Mayo. Centers for Disease Control and Prevention.
Cita Chicago Style (17a ed.)Foster, Raymond T. Mal De Mayo. Centers for Disease Control and Prevention, 2007.
Cita MLA (9a ed.)Foster, Raymond T. Mal De Mayo. Centers for Disease Control and Prevention, 2007.
Precaución: Estas citas no son 100% exactas.