Cita APA (7a ed.)

Zachariah, K. C., & Conde, J. (1980). Demographic aspects of migration in West Africa. World Bank.

Cita Chicago Style (17a ed.)

Zachariah, K. C., y Julien Conde. Demographic Aspects of Migration in West Africa. Washington, D.C: World Bank, 1980.

Cita MLA (9a ed.)

Zachariah, K. C., y Julien Conde. Demographic Aspects of Migration in West Africa. World Bank, 1980.