APA引文
Knight, F. H. (1921). Risk, uncertainty and profit. Houghton Mifflin.
Chicago Style (17th ed.) Citation
Knight, Frank H. Risk, Uncertainty and Profit. Boston: Houghton Mifflin, 1921.
MLA引文
Knight, Frank H. Risk, Uncertainty and Profit. Houghton Mifflin, 1921.
警告:這些引文格式不一定是100%准確.