APA (7. basım) Alıntı

National Geographic Society (U.S.) Special Publications Division. (1979). Mysteries of the ancient world. The Society.

Chicago Style (17. basım) Atıf

National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. Washington: The Society, 1979.

MLA (9th ed.) Atıf

National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. The Society, 1979.