APA (7th ed.) Citation

National Geographic Society (U.S) & Delbruck, M. (2008). The sciencebook: Everything you need to know about the world and how it works. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S) and Matthias Delbruck. The Sciencebook: Everything You Need to Know About the World and How It Works. Washington: National Geographic Society, 2008.

MLA (9th ed.) Citation

National Geographic Society (U.S) and Matthias Delbruck. The Sciencebook: Everything You Need to Know About the World and How It Works. National Geographic Society, 2008.