APA (7th ed.) Citation

Evaluation Research Society, Cook, T. D., & Reichardt, C. S. (1979). Qualitative and quantitative methods in evaluation research. Sage Publications.

Chicago Style (17th ed.) Citation

Evaluation Research Society, Thomas D. Cook, and Charles S. Reichardt. Qualitative and Quantitative Methods in Evaluation Research. Beverly Hills, Calif: Sage Publications, 1979.

MLA (9th ed.) Citation

Evaluation Research Society, et al. Qualitative and Quantitative Methods in Evaluation Research. Sage Publications, 1979.