Cita APA (7a ed.)

Unrau, Y. A., & Grinnell, R. M. (2011). Social work research and evaluation: Foundations of evidence-based practice (9th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Unrau, Yvonne A., y Richard M. Grinnell. Social Work Research and Evaluation: Foundations of Evidence-based Practice. 9th ed. Oxford [etc.]: Oxford University Press, 2011.

Cita MLA (9a ed.)

Unrau, Yvonne A., y Richard M. Grinnell. Social Work Research and Evaluation: Foundations of Evidence-based Practice. 9th ed. Oxford University Press, 2011.