APA (7th ed.) Citation

Frondel, M., & Schmidt, C. M. (2002). The empirical assessment of technology differences: Comparing the comparable. ZEW discussion papers.

Chicago Style (17th ed.) Citation

Frondel, Manuel, and Christoph M. Schmidt. "The Empirical Assessment of Technology Differences: Comparing the Comparable." ZEW Discussion Papers 2002.

MLA (9th ed.) Citation

Frondel, Manuel, and Christoph M. Schmidt. "The Empirical Assessment of Technology Differences: Comparing the Comparable." ZEW Discussion Papers, 2002.