Cita APA (7a ed.)
The Johns Hopkins medical letter health after 50 [Johns Hopkins Med Lett Health After 50] NLMUID: 9802902.
Cita Chicago Style (17a ed.)
The Johns Hopkins Medical Letter Health After 50 [Johns Hopkins Med Lett Health After 50] NLMUID: 9802902.
Cita MLA (9a ed.)
The Johns Hopkins Medical Letter Health After 50 [Johns Hopkins Med Lett Health After 50] NLMUID: 9802902.
Precaución: Estas citas no son 100% exactas.