APA (7th ed.) Citation

United Nations Department of International Economic and Social Affairs. (1949). World population trends 1920-1947. United Nations.

Chicago Style (17th ed.) Citation

United Nations Department of International Economic and Social Affairs. World Population Trends 1920-1947. [χ.τ.]: United Nations, 1949.

MLA (8th ed.) Citation

United Nations Department of International Economic and Social Affairs. World Population Trends 1920-1947. United Nations, 1949.

Warning: These citations may not always be 100% accurate.