APA (7th ed.) Citation

Acs, Z. J., & Audretsch, D. B. (1991). Innovation and technological change: An international comparison. University of Michigan.

Chicago Style (17th ed.) Citation

Acs, Zoltan J., and David B. Audretsch. Innovation and Technological Change: An International Comparison. Ann Arbor: University of Michigan, 1991.

MLA (9th ed.) Citation

Acs, Zoltan J., and David B. Audretsch. Innovation and Technological Change: An International Comparison. University of Michigan, 1991.