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
"Kay, Fred H. and Illinois State Geological Survey",Coal resources of district VII (Southwestern Illinois) : coal no. 6 West of Duquoin anticline,,Printed by authority of the State of Illinois,1922,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269187203328