APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1923). Cooperative extension work, 1923. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Cooperative Extension Work, 1923. [Washington]: [publisher not identified], 1923.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Cooperative Extension Work, 1923. [publisher not identified], 1923.

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