APA (7th ed.) Citation

Gress, B., & Janzen, P. (2008). The guide to Kansas birds and birding hot spots. University Press of Kansas.

Chicago Style (17th ed.) Citation

Gress, Bob, and Pete Janzen. The Guide to Kansas Birds and Birding Hot Spots. Lawrence: University Press of Kansas, 2008.

MLA (9th ed.) Citation

Gress, Bob, and Pete Janzen. The Guide to Kansas Birds and Birding Hot Spots. University Press of Kansas, 2008.