Haddock, B. A. (1980). An introduction to historical thought. E. Arnold.
芝加哥风格引文Haddock, B. A. An Introduction to Historical Thought. London: E. Arnold, 1980.
MLA引文Haddock, B. A. An Introduction to Historical Thought. E. Arnold, 1980.
警告：这些引文格式不一定是100％准确.