Cita APA (7th ed.)

The Reader's digest. (1950). Reader's digest condensed books. [s.n.].

Cita Chicago (17th ed.)

The Reader's digest. Reader's Digest Condensed Books. Pleasantville, N.Y: [s.n.], 1950.

Cita MLA (9th ed.)

The Reader's digest. Reader's Digest Condensed Books. [s.n.], 1950.