APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1926). Some factors affecting tenure in extension work. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Some Factors Affecting Tenure in Extension Work. Washington: [publisher not identified], 1926.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Some Factors Affecting Tenure in Extension Work. [publisher not identified], 1926.