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
"Utley, Robert Marshall and United States. National Park Service. Division of Publications","Custer Battlefield : a history and guide to the Battle of the Little Bighorn : Custer Battlefield National Monument, Montana",,"U.S. Depertment of the Interior, National Park Service",1988,National park handbook,,,,https://cir.nii.ac.jp/crid/1130282272649782528