Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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