United States. Agricultural Adjustment Administration. (1937). [1937 agricultural conservation program, north central region]: Instructions relative to determining performance under the provisions of the 1937 agricultural conservation program in north central region. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Agricultural Adjustment Administration. [1937 Agricultural Conservation Program, North Central Region]: Instructions Relative to Determining Performance Under the Provisions of the 1937 Agricultural Conservation Program in North Central Region. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Agricultural Adjustment Administration. [1937 Agricultural Conservation Program, North Central Region]: Instructions Relative to Determining Performance Under the Provisions of the 1937 Agricultural Conservation Program in North Central Region. [s.n.], 1937.