APA (7th ed.) Citation

United States. Office of Cooperative Extension Work. (1929). Coordination of research and extension activities in marketing. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Cooperative Extension Work. Coordination of Research and Extension Activities in Marketing. Washington: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Office of Cooperative Extension Work. Coordination of Research and Extension Activities in Marketing. [publisher not identified], 1929.