United States. Bureau of Plant Industry. (1935). Yields of barley in United States and Canada, 1927-31. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Yields of Barley in United States and Canada, 1927-31. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Yields of Barley in United States and Canada, 1927-31. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.