Ullstrup, A. J. (1961). Corn diseases in the United States and their control. Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Purdue University Experiment Station.
Chicago Style (17th ed.) CitationUllstrup, A. J. Corn Diseases in the United States and Their Control. Washington, D.C.: Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Purdue University Experiment Station, 1961.
MLA (9th ed.) CitationUllstrup, A. J. Corn Diseases in the United States and Their Control. Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Purdue University Experiment Station, 1961.
Warning: These citations may not always be 100% accurate.