Cita APA (7th ed.)
Wallace, D. W., & Wallace, L. A. (1940). The reader's Digest. The Reader's Digest Ass.
Cita Chicago (17th ed.)
Wallace, De Witt, i Lila Acheson Wallace. The Reader's Digest. Pleasantville, N.Y: The Reader's Digest Ass, 1940.
Cita MLA (9th ed.)
Wallace, De Witt, i Lila Acheson Wallace. The Reader's Digest. The Reader's Digest Ass, 1940.
Atenció: Aquestes cites poden no estar 100% correctes.