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
"Howell, L. D. (Leander D.) and Watson, Leonard J. and United States. Dept. of Agriculture",Relation of spot cotton prices to prices of futures contracts and protection afforded by trading in futures,,U.S. Dept. of Agriculture,1938,Technical bulletin,,,,https://cir.nii.ac.jp/crid/1130282269347332224