Michigan Crop Reporting Service & Michigan. Department of Agriculture. (1972). General farm use of pesticides, 1969-1971: Michigan and Illinois, Indiana, Minnesota and Wisconsin. Michigan Department of Agriculture, Michigan Crop Reporting Service.
Chicago Style (17th ed.) CitationMichigan Crop Reporting Service and Michigan. Department of Agriculture. General Farm Use of Pesticides, 1969-1971: Michigan and Illinois, Indiana, Minnesota and Wisconsin. Lansing: Michigan Department of Agriculture, Michigan Crop Reporting Service, 1972.
MLA (9th ed.) CitationMichigan Crop Reporting Service and Michigan. Department of Agriculture. General Farm Use of Pesticides, 1969-1971: Michigan and Illinois, Indiana, Minnesota and Wisconsin. Michigan Department of Agriculture, Michigan Crop Reporting Service, 1972.