Cita APA (7a ed.)
(1998). Sexually transmitted infections. BMJ Pub. Group.
Cita Chicago Style (17a ed.)
Sexually Transmitted Infections. London: BMJ Pub. Group, 1998.
Cita MLA (9a ed.)
Sexually Transmitted Infections. BMJ Pub. Group, 1998.
Precaución: Estas citas no son 100% exactas.