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
"Constantine VII Porphyrogenitus, Emperor of the East and Büttner-Wobst, Theodor and Roos, Antonius Gerardus",Excerpta de virtutibus et vitiis,,Weidmann,1906,Excerpta Historica iussu Imp. Constantini Porphyrogeniti confecta,,,,https://cir.nii.ac.jp/crid/1130282271694752896