APA (7th ed.) Citation
Johns, C. (2014). National geographic: The new food revolution. National Geographic.
Chicago Style (17th ed.) Citation
Johns, Chris. National Geographic: The New Food Revolution. Washington: National Geographic, 2014.
MLA (9th ed.) Citation
Johns, Chris. National Geographic: The New Food Revolution. National Geographic, 2014.
Warning: These citations may not always be 100% accurate.