APA aipamena

United Nations. Department of Social Affairs. (1949). Problems of migration statistics. United Nations, Department of Social Affairs.

Chicago Style aipamena

United Nations. Department of Social Affairs. Problems of Migration Statistics. Lake Success, N.Y: United Nations, Department of Social Affairs, 1949.

MLA aipamena

United Nations. Department of Social Affairs. Problems of Migration Statistics. United Nations, Department of Social Affairs, 1949.