Graham, H. D., & Gurr, T. R. (1979). Violence in America: Historical & comparative perspectives (Rev. ed.). Sage Publications.
芝加哥风格引文Graham, Hugh D., 与 Ted Robert Gurr. Violence in America: Historical & Comparative Perspectives. Rev. ed. Beverly Hills, Calif.: Sage Publications, 1979.
MLA引文Graham, Hugh D., 与 Ted Robert Gurr. Violence in America: Historical & Comparative Perspectives. Rev. ed. Sage Publications, 1979.
警告：这些引文格式不一定是100％准确.