United States. Bureau of Plant Industry. (1935). Device for separating different lengths of fibers from seed cotton. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Device for Separating Different Lengths of Fibers from Seed Cotton. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Device for Separating Different Lengths of Fibers from Seed Cotton. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.