APA (7th ed.) Citation

Clarke, A., & Dawson, R. (1999). Evaluation research: An introduction to principles, methods, and practice. Sage.

Chicago Style (17th ed.) Citation

Clarke, Alan, and Ruth Dawson. Evaluation Research: An Introduction to Principles, Methods, and Practice. London: Sage, 1999.

MLA (9th ed.) Citation

Clarke, Alan, and Ruth Dawson. Evaluation Research: An Introduction to Principles, Methods, and Practice. Sage, 1999.