APA (7th ed.) Citation

Austin, O. L., & Zim, H. S. (1988). Birds of the world. Octopus Publishing.

Chicago Style (17th ed.) Citation

Austin, Oliver L., and Herbert S. Zim. Birds of the World. London: Octopus Publishing, 1988.

MLA (9th ed.) Citation

Austin, Oliver L., and Herbert S. Zim. Birds of the World. Octopus Publishing, 1988.