Cita APA (7a ed.)

World Bank, ebrary, Inc, & Gertler, P. (2011). Impact evaluation in practice. World Bank.

Cita Chicago Style (17a ed.)

World Bank, Inc ebrary, y Paul Gertler. Impact Evaluation in Practice. Washington, D.C.: World Bank, 2011.

Cita MLA (9a ed.)

World Bank, et al. Impact Evaluation in Practice. World Bank, 2011.