Cita APA (7th ed.)

Ringold, D., Ringold, D., Orenstein, M. A., & Wilkens, E. (2005). Roma in an expanding Europe: Breaking the poverty cycle. World Bank.

Cita Chicago (17th ed.)

Ringold, Dena, Dena Ringold, Mitchell A. Orenstein, i Erika Wilkens. Roma in an Expanding Europe: Breaking the Poverty Cycle. Washington, D.C.: World Bank, 2005.

Cita MLA (9th ed.)

Ringold, Dena, et al. Roma in an Expanding Europe: Breaking the Poverty Cycle. World Bank, 2005.