APA (7th ed.) Citation

Frondel, M., & Schmidt, C. M. (2001). Evaluating environmental programs: The perspective of modern evaluation research. ZEW discussion papers.

Chicago Style (17th ed.) Citation

Frondel, Manuel, and Christoph M. Schmidt. "Evaluating Environmental Programs: The Perspective of Modern Evaluation Research." ZEW Discussion Papers 2001.

MLA (9th ed.) Citation

Frondel, Manuel, and Christoph M. Schmidt. "Evaluating Environmental Programs: The Perspective of Modern Evaluation Research." ZEW Discussion Papers, 2001.