APA (7th ed.) Citation

Burton. (1976). The encyclopedia of the animal kingdom. Octopus.

Chicago Style (17th ed.) Citation

Burton. The Encyclopedia of the Animal Kingdom. London: Octopus, 1976.

MLA (8th ed.) Citation

Burton. The Encyclopedia of the Animal Kingdom. Octopus, 1976.

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