APA (7th ed.) Citation

National Geographic Society (U.S.) & Berndl, K. National Geographic Visual History of the World.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.) and Klaus Berndl. National Geographic Visual History of the World.

MLA (8th ed.) Citation

National Geographic Society (U.S.) and Klaus Berndl. National Geographic Visual History of the World.

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