APA引文

Harrod, R. (1964). International trade theory in a developing world. Macmillan & Co.

芝加哥风格引文

Harrod, Roy. International Trade Theory in a Developing World. London: Macmillan & Co, 1964.

MLA引文

Harrod, Roy. International Trade Theory in a Developing World. Macmillan & Co, 1964.

警告：这些引文格式不一定是100％准确.