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
"Cicero, Marcus Tullius and Pliny, the Younger and Shuckburgh, Evelyn S. (Evelyn Shirley) and Melmoth, William and Bosanquet, F. C. T.",Letters of Marcus Tullius Cicero : with his treatises on friendship and old age . Letters of Gaius Plinius Caecilius Secundus,,P.F. Collier,1909,The Harvard classics,,,,https://cir.nii.ac.jp/crid/1130282269394462464