Cita APA

Wallace, D. W., & Wallace, L. A. The Reader's digest: Read. dig. (U.S. ed.). [Pleasantville, N.Y., etc.: The Reader's Digest Association].

Chicago Style Citation

Wallace, De Witt, i Lila Acheson Wallace. The Reader's Digest: Read. Dig. (U.S. Ed.). [Pleasantville, N.Y., etc.: The Reader's Digest Association].

Cita MLA

Wallace, De Witt, i Lila Acheson Wallace. The Reader's Digest: Read. Dig. (U.S. Ed.). [Pleasantville, N.Y., etc.: The Reader's Digest Association].