United States. Office of Cooperative Extension Work & Wright, W. J. (1926). Study of demonstrations as used in cooperative extension work. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Office of Cooperative Extension Work and W. J. Wright. Study of Demonstrations as Used in Cooperative Extension Work. Washington: [publisher not identified], 1926.
MLA (9th ed.) CitationUnited States. Office of Cooperative Extension Work and W. J. Wright. Study of Demonstrations as Used in Cooperative Extension Work. [publisher not identified], 1926.
Warning: These citations may not always be 100% accurate.