Cita APA (7th ed.)

(1950). Reader´s digest condensed books. Volume 6. The Reader´s Digest.

Cita Chicago (17th ed.)

Reader´s Digest Condensed Books. Volume 6. New York, Estados Unidos: The Reader´s Digest, 1950.

Cita MLA (9th ed.)

Reader´s Digest Condensed Books. Volume 6. The Reader´s Digest, 1950.