APA Format
United Nations
. (1992). Demographic yearbook 1990 : forty-second issue. New York : United Nations
MLA Format
United Nations
. Demographic yearbook 1990 : forty-second issue. New York : United Nations, 1992
Australian/Harvard Format
United Nations
. 1992. Demographic yearbook 1990 : forty-second issue. United Nations, New York
Warning: These citations may not always be 100% accurate.