Ware, G. W., & McCollum, J. P. (1980). Producing vegetable crops (3rd ed.). Interstate Printers & Publishers.
Chicago Style (17th ed.) CitationWare, George Whitaker, and J. P. McCollum. Producing Vegetable Crops. 3rd ed. Danville, Ill.: Interstate Printers & Publishers, 1980.
MLA (9th ed.) CitationWare, George Whitaker, and J. P. McCollum. Producing Vegetable Crops. 3rd ed. Interstate Printers & Publishers, 1980.
Warning: These citations may not always be 100% accurate.