United Nations. Dept. of Social Affairs. (1955). Age and sex patterns of mortality: Model life-tables for under-developed countries. United nations Dept. of Social Affairs, Population Branch.
Chicago Style (17th ed.) CitationUnited Nations. Dept. of Social Affairs. Age and Sex Patterns of Mortality: Model Life-tables for Under-developed Countries. New York: United nations Dept. of Social Affairs, Population Branch, 1955.
MLA (9th ed.) CitationUnited Nations. Dept. of Social Affairs. Age and Sex Patterns of Mortality: Model Life-tables for Under-developed Countries. United nations Dept. of Social Affairs, Population Branch, 1955.
Warning: These citations may not always be 100% accurate.