APA (7th ed.) Citation

Runkel, S. T. (2009). Wildflowers of Iowa woodlands (2nd ed.). University of Iowa Press.

Chicago Style (17th ed.) Citation

Runkel, Sylvan T. Wildflowers of Iowa Woodlands. 2nd ed. Iowa City: University of Iowa Press, 2009.

MLA (9th ed.) Citation

Runkel, Sylvan T. Wildflowers of Iowa Woodlands. 2nd ed. University of Iowa Press, 2009.