Cita APA

Kelley, A. C., & Schmidt, R. M. (1994). Population and income change: Recent evidence. Washington: World Bank.

Citación estilo Chicago

Kelley, Allen C., and Robert M. Schmidt. Population and Income Change: Recent Evidence. Washington: World Bank, 1994.

Cita MLA

Kelley, Allen C., and Robert M. Schmidt. Population and Income Change: Recent Evidence. Washington: World Bank, 1994.