APA Citation

(1981). World statistics in brief 1981: United Nations statistical pocketbook (6th ed.). New York: United Nations.

Chicago Style Citation

World Statistics in Brief 1981: United Nations Statistical Pocketbook. 6th ed. New York: United Nations, 1981.

MLA Citation

World Statistics in Brief 1981: United Nations Statistical Pocketbook. 6th ed. New York: United Nations, 1981.

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