Cita APA (7a ed.)
Reader's Digest. (1978). The World's last mysteries (ed.). Reader's Digest Association.
Cita Chicago Style (17a ed.)
Reader's Digest. The World's Last Mysteries. ed. New York: Reader's Digest Association, 1978.
Cita MLA (9a ed.)
Reader's Digest. The World's Last Mysteries. ed. Reader's Digest Association, 1978.
Precaución: Estas citas no son 100% exactas.