United Nations. Economic Commission for Europe & Regional Population Meeting (1998 : Budapest, Hungary). (1999). Population in Europe and North America on the eve of the millen[n]ium : dynamics and policy responses: Regional Population Meeting, 7-9 December 1998, Budapest, Hungary. United Nations.
Chicago Style (17th ed.) CitationUnited Nations. Economic Commission for Europe and Hungary) Regional Population Meeting (1998 : Budapest. Population in Europe and North America on the Eve of the Millen[n]ium : Dynamics and Policy Responses: Regional Population Meeting, 7-9 December 1998, Budapest, Hungary. New York: United Nations, 1999.
MLA (9th ed.) CitationUnited Nations. Economic Commission for Europe and Hungary) Regional Population Meeting (1998 : Budapest. Population in Europe and North America on the Eve of the Millen[n]ium : Dynamics and Policy Responses: Regional Population Meeting, 7-9 December 1998, Budapest, Hungary. United Nations, 1999.