APA (7th ed.) Citation

Schlicht, D. W., Downey, J. C., & Nekola, J. C. (2007). The butterflies of Iowa. University of Iowa Press.

Chicago Style (17th ed.) Citation

Schlicht, Dennis W., John C. Downey, and Jeffrey Cx Nekola. The Butterflies of Iowa. Iowa City: University of Iowa Press, 2007.

MLA (9th ed.) Citation

Schlicht, Dennis W., et al. The Butterflies of Iowa. University of Iowa Press, 2007.