Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Wilson, James Q. and Joint Center for Urban Studies",The Metropolitan enigma : inquiries into the nature and dimensions of America's urban crisis,Rev. ed,Harvard University Press,1968,A Publication of the Joint Center for Urban Studies of the Massachusetts Institute of Technology and Harvard University,,,,https://cir.nii.ac.jp/crid/1130000795911266176