West, W. M., & West, R. (1934). The story of man's early progress (New ed.). Allyn and Bacon.
芝加哥风格引文West, Willis Mason, 与 Ruth West. The Story of Man's Early Progress. New ed. Boston: Allyn and Bacon, 1934.
MLA引文West, Willis Mason, 与 Ruth West. The Story of Man's Early Progress. New ed. Allyn and Bacon, 1934.
警告：这些引文格式不一定是100％准确.