Beard, C. A. (1939). America in midpassage, by Charles A. Beard & Mary R. Beard; illustrated from drawings by Wilfred Jones. Macmillan.
芝加哥风格引文Beard, Charles A. America in Midpassage, by Charles A. Beard & Mary R. Beard; Illustrated from Drawings by Wilfred Jones. New York: Macmillan, 1939.
MLA引文Beard, Charles A. America in Midpassage, by Charles A. Beard & Mary R. Beard; Illustrated from Drawings by Wilfred Jones. Macmillan, 1939.
警告：这些引文格式不一定是100％准确.