APA (7th ed.) Citation

Young, D., Frazier, I., & Block, I. (2001). Saving America's treasures. National Geographic.

Chicago Style (17th ed.) Citation

Young, Dwight, Ian Frazier, and Ira Block. Saving America's Treasures. Washington, D.C.: National Geographic, 2001.

MLA (9th ed.) Citation

Young, Dwight, et al. Saving America's Treasures. National Geographic, 2001.