APA (7th ed.) Citation

Challacombe, S., & Kraay, J. N. (2004). 100 wonders of the world: The finest treasures of civilization and nature on five continents. Chartwell Books.

Chicago Style (17th ed.) Citation

Challacombe, Stephen, and J. N. Kraay. 100 Wonders of the World: The Finest Treasures of Civilization and Nature on Five Continents. Edison, N.J: Chartwell Books, 2004.

MLA (9th ed.) Citation

Challacombe, Stephen, and J. N. Kraay. 100 Wonders of the World: The Finest Treasures of Civilization and Nature on Five Continents. Chartwell Books, 2004.