Cita APA (7a ed.)
(1979). Mysteries of the ancient world. National Geographic Society.
Cita Chicago Style (17a ed.)
Mysteries of the Ancient World. Washington D.C.: National Geographic Society, 1979.
Cita MLA (9a ed.)
Mysteries of the Ancient World. National Geographic Society, 1979.
Precaución: Estas citas no son 100% exactas.