APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1929). Time schedules made interesting. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Time Schedules Made Interesting. Washington: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Time Schedules Made Interesting. [publisher not identified], 1929.