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
"Maddren, A. G. (Alfred Geddes) and United States. Dept. of the Interior and Geological Survey (U.S.)","The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers",,U.S. Government Printing Office,1910,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000795138548608