Cita APA (7a ed.)
National Geographic Society (U.S.). National geographic kids. National Geographic Society].
Cita Chicago Style (17a ed.)
National Geographic Society (U.S.). National Geographic Kids. [Washington, DC: National Geographic Society].
Cita MLA (9a ed.)
National Geographic Society (U.S.). National Geographic Kids. National Geographic Society].
Precaución: Estas citas no son 100% exactas.