Mc Collum, J. P. (1980). Producing vegetable crops. Interstate Printers and Publishers Inc.
Chicago Edition CitationMc Collum, J P. Producing Vegetable Crops. USA: Interstate Printers and Publishers Inc, 1980.
MLA Edition CitationMc Collum, J P. Producing Vegetable Crops. Interstate Printers and Publishers Inc, 1980.
Warning: These citations may not always be 100% accurate.