Cita APA (7a ed.)

United Nations. Department of International Economic and Social Affairs. (1990). Patterns of first marriage: Timing and prevalence. Naciones Unidas.

Cita Chicago Style (17a ed.)

United Nations. Department of International Economic and Social Affairs. Patterns of First Marriage: Timing and Prevalence. Nueva York: Naciones Unidas, 1990.

Cita MLA (9a ed.)

United Nations. Department of International Economic and Social Affairs. Patterns of First Marriage: Timing and Prevalence. Naciones Unidas, 1990.