APA (7th ed.) Citation

United States. Office of Farm Management and Farm Economics & Feldkamp, C. L. (1920). References on labor distribution. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Farm Management and Farm Economics and Cora L. Feldkamp. References on Labor Distribution. Washington: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. Office of Farm Management and Farm Economics and Cora L. Feldkamp. References on Labor Distribution. [publisher not identified], 1920.