United States. Bureau of Plant Industry. (1938). Studies on possibilities of devil's shoestring (Tephrosia virginiana) and other native species of Tephrosia as commercial sources of insecticidse. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Studies on Possibilities of Devil's Shoestring (Tephrosia Virginiana) and Other Native Species of Tephrosia as Commercial Sources of Insecticidse. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Studies on Possibilities of Devil's Shoestring (Tephrosia Virginiana) and Other Native Species of Tephrosia as Commercial Sources of Insecticidse. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.