APA (7th ed.) Citation

Conard, H. S., & Iowa Academy of Sciences. (1939). Plants of Iowa: Being a fifth edition of the Grinnell flora; rev. and enl. keys for determining the names of the native trees, shrubs, flowers and ferns and most of the cultivated plants of Iowa (Tracheata). The Author.

Chicago Style (17th ed.) Citation

Conard, Henry Shoemaker, and Iowa Academy of Sciences. Plants of Iowa: Being a Fifth Edition of the Grinnell Flora; Rev. and Enl. Keys for Determining the Names of the Native Trees, Shrubs, Flowers and Ferns and Most of the Cultivated Plants of Iowa (Tracheata). [Grinnell, Ia.]: The Author, 1939.

MLA (8th ed.) Citation

Conard, Henry Shoemaker, and Iowa Academy of Sciences. Plants of Iowa: Being a Fifth Edition of the Grinnell Flora; Rev. and Enl. Keys for Determining the Names of the Native Trees, Shrubs, Flowers and Ferns and Most of the Cultivated Plants of Iowa (Tracheata). The Author, 1939.