Cita APA (7th ed.)

Mansfield, E. (1968). The economics of technological change ([1st ed.].). W. W. Norton.

Cita Chicago (17th ed.)

Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. New York: W. W. Norton, 1968.

Cita MLA (9th ed.)

Mansfield, Edwin. The Economics of Technological Change. [1st ed.]. W. W. Norton, 1968.