APA (7th ed.) Citation

National Geographic Book Service. (1968). Greece and Rome: Builders of our world. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Book Service. Greece and Rome: Builders of Our World. [Washington]: National Geographic Society, 1968.

MLA (9th ed.) Citation

National Geographic Book Service. Greece and Rome: Builders of Our World. National Geographic Society, 1968.

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