APA (7th ed.) Citation

Demeny, P. G. (1981). The North-South income gap: A demographic perspective. Population Council.

Chicago Style (17th ed.) Citation

Demeny, Paul George. The North-South Income Gap: A Demographic Perspective. New York: Population Council, 1981.

MLA (9th ed.) Citation

Demeny, Paul George. The North-South Income Gap: A Demographic Perspective. Population Council, 1981.