APA (7th ed.) Citation

Pregracke, C., & Barrow, J. (2007). From the bottom up: One man's crusade to clean America's rivers. National Geographic.

Chicago Style (17th ed.) Citation

Pregracke, Chad, and Jeff Barrow. From the Bottom Up: One Man's Crusade to Clean America's Rivers. Washington, D.C.: National Geographic, 2007.

MLA (9th ed.) Citation

Pregracke, Chad, and Jeff Barrow. From the Bottom Up: One Man's Crusade to Clean America's Rivers. National Geographic, 2007.