United States. Department of Agriculture. Office of the Secretary & Hochbaum, H. W. (1928). Planning and conducting extension campaigns. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and H. W. Hochbaum. Planning and Conducting Extension Campaigns. Washington: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and H. W. Hochbaum. Planning and Conducting Extension Campaigns. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.