Jenkins, M. C. (2013). National geographic 125 years: Legendary photographs, adventures and discoveries that changed the world. National Geographic Society.
Cita Chicago Style (17a ed.)Jenkins, Mark Collins. National Geographic 125 Years: Legendary Photographs, Adventures and Discoveries That Changed the World. Washingto, D.C: National Geographic Society, 2013.
Cita MLA (9a ed.)Jenkins, Mark Collins. National Geographic 125 Years: Legendary Photographs, Adventures and Discoveries That Changed the World. National Geographic Society, 2013.
Precaución: Estas citas no son 100% exactas.