APA (7th ed.) Citation

United States. Office of Cooperative Extension Work & Warburton, C. W. (1928). Factors which affect extension morale. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work and Charles W. Warburton. Factors Which Affect Extension Morale. Washington: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work and Charles W. Warburton. Factors Which Affect Extension Morale. [publisher not identified], 1928.