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
"Ratliffe, George T. and Atkins, I. M. and United States. Dept. of Agriculture",Crop rotation and tillage experiments at the San Antonio (Texas) field station,,[U.S. Government Printing Office],1931,Circular,,,,https://cir.nii.ac.jp/crid/1130000793800136704