APA (7th ed.) Citation

Walters, M. (2011). Bird watch: A survey of planet Earth's changing ecosystems (First edition for North America.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Walters, Martin. Bird Watch: A Survey of Planet Earth's Changing Ecosystems. First edition for North America. Chicago: University of Chicago Press, 2011.

MLA (9th ed.) Citation

Walters, Martin. Bird Watch: A Survey of Planet Earth's Changing Ecosystems. First edition for North America. University of Chicago Press, 2011.