United States. Bureau of Plant Industry. (1940). Bacterial wilt of alfalfa and its control. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Bacterial Wilt of Alfalfa and Its Control. [Washington]: [s.n.], 1940.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Bacterial Wilt of Alfalfa and Its Control. [s.n.], 1940.
Warning: These citations may not always be 100% accurate.