Egger, R. (1972). The President of the United States (2d ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationEgger, Rowland. The President of the United States. 2d ed. New York: McGraw-Hill, 1972.
MLA引文Egger, Rowland. The President of the United States. 2d ed. McGraw-Hill, 1972.
警告:這些引文格式不一定是100%准確.