Cita APA (7th ed.)

National Geographic Society (U.S.) & Johns, C. (2014). Women of vision: National Geographic Photographers on Assignment. National Geographic Society.

Cita Chicago (17th ed.)

National Geographic Society (U.S.) i Chris Johns. Women of Vision: National Geographic Photographers on Assignment. Washington, District of Columbia: National Geographic Society, 2014.

Cita MLA (8th ed.)

National Geographic Society (U.S.) i Chris Johns. Women of Vision: National Geographic Photographers on Assignment. National Geographic Society, 2014.