Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Evaluation Research Society, Thomas D. Cook, y Charles S. Reichardt. "Qualitative and Quantitative Methods in Evaluation Research." Sage Research Progress Series in Evaluation 1979.

Cita MLA (8a ed.)

Evaluation Research Society, et al. "Qualitative and Quantitative Methods in Evaluation Research." Sage Research Progress Series in Evaluation, 1979.