Graham, H. D., & Gurr, T. R. (1970). Violence in America: Historical and comparative perspectives (Revised edition.). Bantam Books.
芝加哥风格引文Graham, Hugh D., 与 Ted Robert Gurr. Violence in America: Historical and Comparative Perspectives. Revised edition. New York: Bantam Books, 1970.
MLA引文Graham, Hugh D., 与 Ted Robert Gurr. Violence in America: Historical and Comparative Perspectives. Revised edition. Bantam Books, 1970.
警告：这些引文格式不一定是100％准确.