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
"Pliny, the Younger and Cowan, James",C. Plinii Caecilii Secundi Episturarum : liber duo : Pliny's letters,,Macmillan,1889,Classical series,,,,https://cir.nii.ac.jp/crid/1130282271593805952