APA (7th ed.) Citation

United States. Department of Agriculture. (1940). Maryland farm handbook, 1940: State and Federal agricultural services. [s.n.].

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Maryland Farm Handbook, 1940: State and Federal Agricultural Services. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Department of Agriculture. Maryland Farm Handbook, 1940: State and Federal Agricultural Services. [s.n.], 1940.