APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1925). Statistical results of cooperative extension work. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Statistical Results of Cooperative Extension Work. [Washington]: [publisher not identified], 1925.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Statistical Results of Cooperative Extension Work. [publisher not identified], 1925.