True, A. C. (1969). A history of agricultural extension work in the United States, 1785-1923. Arno Press.
Chicago Style (17th ed.) CitationTrue, Alfred Charles. A History of Agricultural Extension Work in the United States, 1785-1923. New York: Arno Press, 1969.
MLA (9th ed.) CitationTrue, Alfred Charles. A History of Agricultural Extension Work in the United States, 1785-1923. Arno Press, 1969.
Warning: These citations may not always be 100% accurate.