United States. Bureau of Plant Industry. (1936). Identification, history, and distribution of common sorghum varieties. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Identification, History, and Distribution of Common Sorghum Varieties. [Washington]: [s.n.], 1936.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Identification, History, and Distribution of Common Sorghum Varieties. [s.n.], 1936.
Warning: These citations may not always be 100% accurate.