Yapp, N. (2007). 100 days in photographs: Pivotal events that changed the world. National Geographic and Getty Images.
Chicago-Zitierstil (17. Ausg.)Yapp, Nick. 100 Days in Photographs: Pivotal Events That Changed the World. Washington, DC: National Geographic and Getty Images, 2007.
MLA-Zitierstil (9. Ausg.)Yapp, Nick. 100 Days in Photographs: Pivotal Events That Changed the World. National Geographic and Getty Images, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.