Patterns of first marriage :
timing and prevalence /
Dept. of International Economic and Social Affairs.

APA Citation

United Nations. Department of International Economic and Social Affairs. (1990). Patterns of first marriage: timing and prevalence. New York: United Nations.

MLA Citation

United Nations. Department of International Economic and Social Affairs. Patterns of First Marriage: Timing And Prevalence. New York: United Nations, 1990.

Warning: These citations may not always be complete (especially for serials).