Cita APA (7a ed.)

Pennsylvania Historical Association. Pennsylvania history. Pennsylvania Historical Association, etc.].

Cita Chicago Style (17a ed.)

Pennsylvania Historical Association. Pennsylvania History. [University Park, Pa., etc.: Pennsylvania Historical Association, etc.].

Cita MLA (8a ed.)

Pennsylvania Historical Association. Pennsylvania History. Pennsylvania Historical Association, etc.].

Precaución: Estas citas no son 100% exactas.