APA (7th ed.) Citation

United States. Department of State. Bureau of Public Affairs. (1985). UN's fortieth anniversary. Bureau of Public Affairs, Dept. of State.

Chicago Style (17th ed.) Citation

United States. Department of State. Bureau of Public Affairs. UN's Fortieth Anniversary. [Washington, D.C.?]: Bureau of Public Affairs, Dept. of State, 1985.

MLA (9th ed.) Citation

United States. Department of State. Bureau of Public Affairs. UN's Fortieth Anniversary. Bureau of Public Affairs, Dept. of State, 1985.