Cita APA (7th ed.)

Child, L. (2009). De la manera dificil. Reader's Digest.

Cita Chicago (17th ed.)

Child, Lee. De La Manera Dificil. México: Reader's Digest, 2009.

Cita MLA (9th ed.)

Child, Lee. De La Manera Dificil. Reader's Digest, 2009.