APA (7th ed.) Citation

True, A. C. (1969). A history of agricultural extension work in the United States, 1785-1923. Arno Press.

Chicago Style (17th ed.) Citation

True, Alfred Charles. A History of Agricultural Extension Work in the United States, 1785-1923. New York: Arno Press, 1969.

MLA (9th ed.) Citation

True, Alfred Charles. A History of Agricultural Extension Work in the United States, 1785-1923. Arno Press, 1969.