Black, M. R. (2009). Wildflowers of Wisconsin and the Great Lakes Region: A comprehensive field guide (2nd ed.). University of Wisconsin Press.
Chicago-Zitierstil (17. Ausg.)Black, Merel R. Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide. 2nd ed. Madison, Wis: University of Wisconsin Press, 2009.
MLA-Zitierstil (9. Ausg.)Black, Merel R. Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide. 2nd ed. University of Wisconsin Press, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.