Cita APA (7a ed.)

De Leeuw, F., Sluyter, R., Camu, A., & Aalst, R. M. v. (2000). Air pollution by ozone in Europe in 1998 and summer 1999. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

De Leeuw, Frank, Rob Sluyter, Annemarieke Camu, y Roel M. van Aalst. Air Pollution by Ozone in Europe in 1998 and Summer 1999. Luxembourg: Office for Official Publications of the European Communities, 2000.

Cita MLA (9a ed.)

De Leeuw, Frank, et al. Air Pollution by Ozone in Europe in 1998 and Summer 1999. Office for Official Publications of the European Communities, 2000.