Cita APA (7a ed.)
Emmelin, L. (1975). Environmental Education at university level. Council of Europe.
Cita Chicago Style (17a ed.)
Emmelin, Lars. Environmental Education at University Level. Strasbourg: Council of Europe, 1975.
Cita MLA (9a ed.)
Emmelin, Lars. Environmental Education at University Level. Council of Europe, 1975.
Precaución: Estas citas no son 100% exactas.