Cita APA (7th ed.)

Readers digest asso. (1969). Reader`s Digest condensed books. RDI.

Cita Chicago (17th ed.)

Readers digest asso. Reader`s Digest Condensed Books. London: RDI, 1969.

Cita MLA (9th ed.)

Readers digest asso. Reader`s Digest Condensed Books. RDI, 1969.