APA (7th ed.) Citation

Wortley, B. A. (1957). The United Nations: The first ten years. Oceana Publications.

Chicago Style (17th ed.) Citation

Wortley, B. A. The United Nations: The First Ten Years. New York: Oceana Publications, 1957.

MLA (9th ed.) Citation

Wortley, B. A. The United Nations: The First Ten Years. Oceana Publications, 1957.

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