著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Westgate, J. M.",Variegated alfalfa,,Government Printing Office,1910,"U.S. Department of Agriculture, Bureau of Plant Industry bulletin",,,,https://cir.nii.ac.jp/crid/1130282272956787712