APA (7th ed.) Citation

Naciones Unidas. (1971). Yearbook. United Nations.

Chicago Style (17th ed.) Citation

Naciones Unidas. Yearbook. New York: United Nations, 1971.

MLA (9th ed.) Citation

Naciones Unidas. Yearbook. United Nations, 1971.

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