APA (7th ed.) Citation

United States. Bureau of Plant Industry. (1940). Rhubarb forcing [growth in greenhouses]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry. Rhubarb Forcing [growth in Greenhouses]. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry. Rhubarb Forcing [growth in Greenhouses]. [s.n.], 1940.

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