Robbins, L. (1952). An essay on the nature & significance of eco.sc (2nd rev.). Macmillan.
芝加哥风格引文Robbins, Liohel. An Essay on the Nature & Significance of Eco.sc. 2nd rev. London: Macmillan, 1952.
MLA引文Robbins, Liohel. An Essay on the Nature & Significance of Eco.sc. 2nd rev. Macmillan, 1952.
警告：这些引文格式不一定是100％准确.