APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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