APA (7th ed.) Citation

United States. Extension Service. (1939). Extension Service Review, Oct. 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Extension Service. Extension Service Review, Oct. 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Extension Service. Extension Service Review, Oct. 1939. [s.n.], 1939.

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