APA引文

Knight, F. H. (1971). Risk, uncertainty and profit. University of Chicago.

Chicago Edition Citation

Knight, Frank H. Risk, Uncertainty and Profit. Chicago: University of Chicago, 1971.

MLA引文

Knight, Frank H. Risk, Uncertainty and Profit. University of Chicago, 1971.

警告：這些引文格式不一定是100％准確.