Grigsby, B. H., Churchill, B. R., Hamner, C. L., & Carlson, R. F. (1949). Chemical weed control. Michigan State College, Agricultural Experiment Station, Sections of Botany and Plant Pathology, Farm Crops, and Horticulture.
Chicago Style (17th ed.) CitationGrigsby, B. H., Boyd R. Churchill, Charles L. Hamner, and Robert F. Carlson. Chemical Weed Control. East Lansing, [Mich.]: Michigan State College, Agricultural Experiment Station, Sections of Botany and Plant Pathology, Farm Crops, and Horticulture, 1949.
MLA (9th ed.) CitationGrigsby, B. H., et al. Chemical Weed Control. Michigan State College, Agricultural Experiment Station, Sections of Botany and Plant Pathology, Farm Crops, and Horticulture, 1949.
Warning: These citations may not always be 100% accurate.