Cita APA (7a ed.)
(1983). Annual bulletin of general energy statistics for Europe 1981. United Nations.
Cita Chicago Style (17a ed.)
Annual Bulletin of General Energy Statistics for Europe 1981. New York: United Nations, 1983.
Cita MLA (9a ed.)
Annual Bulletin of General Energy Statistics for Europe 1981. United Nations, 1983.
Precaución: Estas citas no son 100% exactas.