APA (7th ed.) Citation

United States. Bureau of Plant Industry. (1934). Alfalfa varieties in United States. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry. Alfalfa Varieties in United States. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry. Alfalfa Varieties in United States. [s.n.], 1934.

Warning: These citations may not always be 100% accurate.