APA (7th ed.) Citation

Zoological Society of San Diego & San Diego Wild Animal Park. (1972). Wild world of animals (3d rev. ed.). Zoological Society of San Diego.

Chicago Style (17th ed.) Citation

Zoological Society of San Diego and San Diego Wild Animal Park. Wild World of Animals. 3d rev. ed. San Diego, CA: Zoological Society of San Diego, 1972.

MLA (9th ed.) Citation

Zoological Society of San Diego and San Diego Wild Animal Park. Wild World of Animals. 3d rev. ed. Zoological Society of San Diego, 1972.