Cita APA (7a ed.)

(1957). Reader´s Digest Condensed Books. Volume 4. The Reader´s Digest.

Cita Chicago Style (17a ed.)

Reader´s Digest Condensed Books. Volume 4. New York, Estados Unidos: The Reader´s Digest, 1957.

Cita MLA (9a ed.)

Reader´s Digest Condensed Books. Volume 4. The Reader´s Digest, 1957.