Clements, F. E., Rosendahl, C. O., & Butters, F. K. (1912). Minnesota trees and shrubs: An illustrated manual of the native and cultivated woody plants of the State. Univ. of Minnesota.
Chicago-Zitierstil (17. Ausg.)Clements, Frederic E., C. Otto Rosendahl, und Frederic K. Butters. Minnesota Trees and Shrubs: An Illustrated Manual of the Native and Cultivated Woody Plants of the State. Minneapolis, Minn: Univ. of Minnesota, 1912.
MLA-Zitierstil (9. Ausg.)Clements, Frederic E., et al. Minnesota Trees and Shrubs: An Illustrated Manual of the Native and Cultivated Woody Plants of the State. Univ. of Minnesota, 1912.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.