Offer, A. (1993). The British Empire, 1870-1914: A Waste of Money?
芝加哥风格引文Offer, A. The British Empire, 1870-1914: A Waste of Money? 1993.
MLA引文Offer, A. The British Empire, 1870-1914: A Waste of Money? 1993.
警告：这些引文格式不一定是100％准确.
APA引文