APA (7th ed.) Citation

Yapp, N. (2007). 100 Days in photographs: Pivotal events that changed the world. National Geographic and Getty Images.

Chicago Style (17th ed.) Citation

Yapp, Nicholas. 100 Days in Photographs: Pivotal Events That Changed the World. Washington D.C: National Geographic and Getty Images, 2007.

MLA (9th ed.) Citation

Yapp, Nicholas. 100 Days in Photographs: Pivotal Events That Changed the World. National Geographic and Getty Images, 2007.

Warning: These citations may not always be 100% accurate.