Cita APA (7a ed.)
Commonhealth [Commonhealth (Phila)] NLMUID: 101772520.
Cita Chicago Style (17a ed.)
Commonhealth [Commonhealth (Phila)] NLMUID: 101772520.
Cita MLA (9a ed.)
Commonhealth [Commonhealth (Phila)] NLMUID: 101772520.
Precaución: Estas citas no son 100% exactas.