Não informado. (1999). Minnesota botanical studies. Geological and Natural History Survey of Minnesota.
Chicago Style (17th ed.) CitationNão informado. Minnesota Botanical Studies. Minneapolis, Minn: Geological and Natural History Survey of Minnesota, 1999.
MLA (8th ed.) CitationNão informado. Minnesota Botanical Studies. Geological and Natural History Survey of Minnesota, 1999.
Warning: These citations may not always be 100% accurate.