APA (7th ed.) Citation

United States. Bureau of Plant Industry. (1940). Grafting-wax melter [apparatus for plant grafting]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry. Grafting-wax Melter [apparatus for Plant Grafting]. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry. Grafting-wax Melter [apparatus for Plant Grafting]. [s.n.], 1940.