APA (7th ed.) Citation

United States. Bureau of Plant Industry. (1938). Minnesota seed-grain treater, simple, home-made machine for farm use. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry. Minnesota Seed-grain Treater, Simple, Home-made Machine for Farm Use. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry. Minnesota Seed-grain Treater, Simple, Home-made Machine for Farm Use. [s.n.], 1938.