Jenkins, M. C. (2013). National geographic 125 years: Legendary photographs, adventures and discoveries that changed the world. National Geographic Society.
Chicago-Zitierstil (17. Ausg.)Jenkins, Mark Collins. National Geographic 125 Years: Legendary Photographs, Adventures and Discoveries That Changed the World. Washingto, D.C: National Geographic Society, 2013.
MLA-Zitierstil (9. Ausg.)Jenkins, Mark Collins. National Geographic 125 Years: Legendary Photographs, Adventures and Discoveries That Changed the World. National Geographic Society, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.