Cita APA (7a ed.)
South African Heart Association. SA heart journal. South African Heart Association.
Cita Chicago Style (17a ed.)
South African Heart Association. SA Heart Journal. Tygerberg, Cape Town: South African Heart Association.
Cita MLA (9a ed.)
South African Heart Association. SA Heart Journal. South African Heart Association.
Precaución: Estas citas no son 100% exactas.