Clements, F. E., Butters, F. K., & Rosendahl, C. O. (1912). Minnesota trees and shrubs: An illustrated manual of the native and cultivated woody plants of the state. University of Minnesota.
Chicago Style (17th ed.) CitationClements, Frederic E., Frederic King Butters, and Carl Otto Rosendahl. Minnesota Trees and Shrubs: An Illustrated Manual of the Native and Cultivated Woody Plants of the State. Minneapolis: University of Minnesota, 1912.
MLA (9th ed.) CitationClements, Frederic E., et al. Minnesota Trees and Shrubs: An Illustrated Manual of the Native and Cultivated Woody Plants of the State. University of Minnesota, 1912.
Warning: These citations may not always be 100% accurate.