Cita APA (7a ed.)

(1944). Pennsylvania (2nd ed.). Commonwealth of Pennsylvania.

Cita Chicago Style (17a ed.)

Pennsylvania. 2nd ed. [S.l.]: Commonwealth of Pennsylvania, 1944.

Cita MLA (9a ed.)

Pennsylvania. 2nd ed. Commonwealth of Pennsylvania, 1944.

Precaución: Estas citas no son 100% exactas.