APA (7th ed.) Citation

Gugele, B., & Ritter, M. (2001). Air pollution by ozone in Europe in summer 2001: Overview of exceedances of EC ozone threshold values during the summer season april-august 2001. Office for Official Publ. of the Europ. Communities.

Chicago Style (17th ed.) Citation

Gugele, Bernd, and Manfred Ritter. Air Pollution by Ozone in Europe in Summer 2001: Overview of Exceedances of EC Ozone Threshold Values During the Summer Season April-august 2001. Luxembourg: Office for Official Publ. of the Europ. Communities, 2001.

MLA (9th ed.) Citation

Gugele, Bernd, and Manfred Ritter. Air Pollution by Ozone in Europe in Summer 2001: Overview of Exceedances of EC Ozone Threshold Values During the Summer Season April-august 2001. Office for Official Publ. of the Europ. Communities, 2001.