APA (7th ed.) Citation

National Geographic Society (U.S.). (2011). The big idea: How breakthroughs of the past shape the future. National Geographic.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). The Big Idea: How Breakthroughs of the Past Shape the Future. Washington, D.C.: National Geographic, 2011.

MLA (8th ed.) Citation

National Geographic Society (U.S.). The Big Idea: How Breakthroughs of the Past Shape the Future. National Geographic, 2011.

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