Patterson, J. T. (1976). America in the twentieth century. Harcourt.
Chicago Style (17th ed.) CitationPatterson, James T. America in the Twentieth Century. New York: Harcourt, 1976.
MLA引文Patterson, James T. America in the Twentieth Century. Harcourt, 1976.
警告：這些引文格式不一定是100％准確.