Cita APA (7a ed.)
(1981). Statistical Yearbook 1979/80. United Nations.
Cita Chicago Style (17a ed.)
Statistical Yearbook 1979/80. New York: United Nations, 1981.
Cita MLA (9a ed.)
Statistical Yearbook 1979/80. United Nations, 1981.
Precaución: Estas citas no son 100% exactas.