Cita APA (7a ed.)

Pawson, R., & Metzler, K. (2013). The science of evaluation: A realist manifesto. SAGE.

Cita Chicago Style (17a ed.)

Pawson, Ray, y Katie Metzler. The Science of Evaluation: A Realist Manifesto. Los Angeles: SAGE, 2013.

Cita MLA (9a ed.)

Pawson, Ray, y Katie Metzler. The Science of Evaluation: A Realist Manifesto. SAGE, 2013.