Hirschfeld, C. (1968). The modern world (Enlarged ed.). Harcourt Brace Jovanovich.
芝加哥风格引文Hirschfeld, Charles. The Modern World. Enlarged ed. New York: Harcourt Brace Jovanovich, 1968.
MLA引文Hirschfeld, Charles. The Modern World. Enlarged ed. Harcourt Brace Jovanovich, 1968.
警告：这些引文格式不一定是100％准确.