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
"Steele, Michael A. and Koprowski, John L.",North American tree squirrels,,Smithsonian Institution Press,2001,,,1560989866,,https://cir.nii.ac.jp/crid/1130000795840024448