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
"Christensen, Chris L.. and United States. Dept. of Agriculture",Agricultural cooperation in Denmark,,U. S. Govt. Print. Off.,1924,Department Bulletin,,,,https://cir.nii.ac.jp/crid/1130282270825217280