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 Geological Survey (U.S.) and United States. National Oceanic and Atmospheric Administration and California. Division of Mines and Geology,"The San Fernando, California, earthquake of February 9, 1971 : a preliminary report published jointly by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration",,U.S. Govt. Print. Off.,1971,Geological Survey professional paper,,,,https://cir.nii.ac.jp/crid/1130282270386152704