APA引文
Mansfield, E. (1968). The economics of technological change ([1st ed.].). W. W. Norton.
Chicago Style (17th ed.) Citation
Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. New York: W. W. Norton, 1968.
MLA引文
Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. W. W. Norton, 1968.
警告：這些引文格式不一定是100％准確.