Cita APA (7a ed.)

Agencia Europea de Medio Ambiente, Fiala, J., Blagoev, S., & Aalst, R. M. v. (2002). Air quality in the Phare countries 1997. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Agencia Europea de Medio Ambiente, Jaroslav Fiala, Stoyan Blagoev, y Roel M. van Aalst. Air Quality in the Phare Countries 1997. Luxembourg: Office for Official Publications of the European Communities, 2002.

Cita MLA (9a ed.)

Agencia Europea de Medio Ambiente, et al. Air Quality in the Phare Countries 1997. Office for Official Publications of the European Communities, 2002.