Cita APA

(1990). Stable population age distributions (2 edition.). New York: United Nations, Department of International Economic and Social Affairs.

Citación estilo Chicago

Stable Population Age Distributions. 2 edition. New York: United Nations, Department of International Economic and Social Affairs, 1990.

Cita MLA

Stable Population Age Distributions. 2 edition. New York: United Nations, Department of International Economic and Social Affairs, 1990.