Cita APA (7a ed.)

Agencia Europea de Medio Ambiente, De Leeuw, F., Jol, A., & Aalst, R. M. v. (2001). Air quality in larger cities in the European Union: A contribution to the auto-oil II programme. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Agencia Europea de Medio Ambiente, Frank De Leeuw, André Jol, y Roel M. van Aalst. Air Quality in Larger Cities in the European Union: A Contribution to the Auto-oil II Programme. Luxembourg: Office for Official Publications of the European Communities, 2001.

Cita MLA (9a ed.)

Agencia Europea de Medio Ambiente, et al. Air Quality in Larger Cities in the European Union: A Contribution to the Auto-oil II Programme. Office for Official Publications of the European Communities, 2001.