Cita APA (7a ed.)

Freeman, C. (1989). The economics of industrial innovation (2nd ed.). Pinter.

Cita Chicago Style (17a ed.)

Freeman, Christopher. The Economics of Industrial Innovation. 2nd ed. London: Pinter, 1989.

Cita MLA (9a ed.)

Freeman, Christopher. The Economics of Industrial Innovation. 2nd ed. Pinter, 1989.