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
"Leo I, Pope, d. 461 and Gregory I, Pope, ca.","Leo the Great, Gregory the Great",,Eerdmans,1956,A Select library of Nicene and post-Nicene fathers of the Christian church : second series,,,,https://cir.nii.ac.jp/crid/1130282273189890688