Cita APA (7a ed.)

European Commission. Directorate-General for Energy and Transport. (2005). Report on the green paper on energy: Four years of European initiatives. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

European Commission. Directorate-General for Energy and Transport. Report on the Green Paper on Energy: Four Years of European Initiatives. Luxembourg: Office for Official Publications of the European Communities, 2005.

Cita MLA (9a ed.)

European Commission. Directorate-General for Energy and Transport. Report on the Green Paper on Energy: Four Years of European Initiatives. Office for Official Publications of the European Communities, 2005.