Cita APA (7a ed.)

Unrau, Y. A., Gabor, P., & Grinnell, R. M. (2007). Evaluation in social work: The art and science of practice (4th ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Unrau, Yvonne A., Peter Gabor, y Richard M. Grinnell. Evaluation in Social Work: The Art and Science of Practice. 4th ed. Oxford ; New York: Oxford University Press, 2007.

Cita MLA (8a ed.)

Unrau, Yvonne A., et al. Evaluation in Social Work: The Art and Science of Practice. 4th ed. Oxford University Press, 2007.