Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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