Cita APA (7a ed.)
(1997). World Health Day -- April 7, 1997. MMWR: Morbidity & Mortality Weekly Report, 46(12), 257-258.
Cita Chicago Style (17a ed.)
"World Health Day -- April 7, 1997." MMWR: Morbidity & Mortality Weekly Report 46, no. 12 (1997): 257-258.
Cita MLA (9a ed.)
"World Health Day -- April 7, 1997." MMWR: Morbidity & Mortality Weekly Report, vol. 46, no. 12, 1997, pp. 257-258.
Precaución: Estas citas no son 100% exactas.