Cita APA (7a ed.)

Gugele, B., Ritter, M., & Jol, A. (2000). European Community and member states greenhouse gas emission trends 1990-1998. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Gugele, Bernd, Manfred Ritter, y André Jol. European Community and Member States Greenhouse Gas Emission Trends 1990-1998. Luxembourg: Office for Official Publications of the European Communities, 2000.

Cita MLA (9a ed.)

Gugele, Bernd, et al. European Community and Member States Greenhouse Gas Emission Trends 1990-1998. Office for Official Publications of the European Communities, 2000.