APA (7th ed.) Citation

(2005). Britannica discovery library: Animals. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Britannica Discovery Library: Animals. Chicago: Encyclopaedia Britannica, 2005.

MLA (9th ed.) Citation

Britannica Discovery Library: Animals. Encyclopaedia Britannica, 2005.

Warning: These citations may not always be 100% accurate.