United States. Bureau of Agricultural Engineering. (1935). Removing smut balls from seed wheat. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Engineering. Removing Smut Balls from Seed Wheat. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Engineering. Removing Smut Balls from Seed Wheat. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.