APA (7th ed.) Citation
National Geographic Society. Enciclopedia de los Animales National Geographic. National Geographic Society.
Chicago Style (17th ed.) Citation
National Geographic Society. Enciclopedia De Los Animales National Geographic. National Geographic Society.
MLA (9th ed.) Citation
National Geographic Society. Enciclopedia De Los Animales National Geographic. National Geographic Society.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.