Cita APA (7th ed.)
(1987). Reader's digest condensed books (ed.). Reader's digest association.
Cita Chicago (17th ed.)
Reader's Digest Condensed Books. ed. New York: Reader's digest association, 1987.
Cita MLA (9th ed.)
Reader's Digest Condensed Books. ed. Reader's digest association, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.