Cita APA (7th ed.)

Black, M. R., & Judziewicz, E. J. (2009). Wildflowers of Wisconsin and the Great Lakes Region: A comprehensive field guide (2nd ed.). University of Wisconsin Press.

Cita Chicago (17th ed.)

Black, Merel R., i Emmet J. Judziewicz. Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide. 2nd ed. Madison, Wis.: University of Wisconsin Press, 2009.

Cita MLA (9th ed.)

Black, Merel R., i Emmet J. Judziewicz. Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide. 2nd ed. University of Wisconsin Press, 2009.