APA (7th ed.) Citation

Marvels. (1986). Builders of the ancient world. National Geographic Society.

Chicago Style (17th ed.) Citation

Marvels. Builders of the Ancient World. National Geographic Society, 1986.

MLA (8th ed.) Citation

Marvels. Builders of the Ancient World. National Geographic Society, 1986.

Warning: These citations may not always be 100% accurate.