Cita APA (7a ed.)

Harvard heart letter: From Harvard Medical School [Harv Heart Lett] NLMUID: 9425723.

Cita Chicago Style (17a ed.)

Harvard Heart Letter: From Harvard Medical School [Harv Heart Lett] NLMUID: 9425723.

Cita MLA (8a ed.)

Harvard Heart Letter: From Harvard Medical School [Harv Heart Lett] NLMUID: 9425723.

Precaución: Estas citas no son 100% exactas.