United Nations Department of Public Information. (1999). Yearbook of the United Nations 1990. UN DPI.
Chicago Style (17th ed.) CitationUnited Nations Department of Public Information. Yearbook of the United Nations 1990. New York: UN DPI, 1999.
MLA (8th ed.) CitationUnited Nations Department of Public Information. Yearbook of the United Nations 1990. UN DPI, 1999.
Warning: These citations may not always be 100% accurate.