APA (7th ed.) Citation

United Nations. Dept. of Economic and Social Affairs. (1977). International directory of organizations concerned with the aging. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. New York: United Nations, 1977.

MLA (8th ed.) Citation

United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. United Nations, 1977.

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