General Assembly, (2a. : 1950 : Brussels). (1951). Proceedings and reports of the second session of the General Assembly. IUCN.
Cita Chicago Style (17a ed.)General Assembly, (2a. : 1950 : Brussels). Proceedings and Reports of the Second Session of the General Assembly. Brussels: IUCN, 1951.
Cita MLA (9a ed.)General Assembly, (2a. : 1950 : Brussels). Proceedings and Reports of the Second Session of the General Assembly. IUCN, 1951.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.