United States. Department of Agriculture & McKnight, R. V. (1950). Directory of organization and field activities of the Department of Agriculture, 1950. U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture and Robert V. McKnight. Directory of Organization and Field Activities of the Department of Agriculture, 1950. Washington, D.C.: U.S. Dept. of Agriculture, 1950.
MLA (9th ed.) CitationUnited States. Department of Agriculture and Robert V. McKnight. Directory of Organization and Field Activities of the Department of Agriculture, 1950. U.S. Dept. of Agriculture, 1950.
Warning: These citations may not always be 100% accurate.