United States. Bureau of Plant Industry. (1939). Orach, its culture and use as greens crop in Great Plains region. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Orach, Its Culture and Use as Greens Crop in Great Plains Region. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Orach, Its Culture and Use as Greens Crop in Great Plains Region. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.