Donaldson, H. (1965). Coal. Published for the Nuffield Foundation by the Longmans/ Penguin Books.
芝加哥风格引文Donaldson, H. Coal. London: Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1965.
MLA引文Donaldson, H. Coal. Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1965.
警告：这些引文格式不一定是100％准确.