Young, E. W. (1973). The world, physical and human (3rd ed.). E. Arnold.
芝加哥风格引文Young, Eric William. The World, Physical and Human. 3rd ed. London: E. Arnold, 1973.
MLA引文Young, Eric William. The World, Physical and Human. 3rd ed. E. Arnold, 1973.
警告：这些引文格式不一定是100％准确.