Sillanpää, S., Fung, P., Niemi, J., Kousa, A., Kangas, L., Zaidan, M., . . . Institute, F. M. (2022). Long-term air quality trends of regulated pollutants in Helsinki metropolitan area in 1994-2019 and implications to air quality index. Finnish Environment Institute.
Chicago Style (17th ed.) CitationSillanpää, Salla, et al. Long-term Air Quality Trends of Regulated Pollutants in Helsinki Metropolitan Area in 1994-2019 and Implications to Air Quality Index. Finnish Environment Institute, 2022.
MLA (9th ed.) CitationSillanpää, Salla, et al. Long-term Air Quality Trends of Regulated Pollutants in Helsinki Metropolitan Area in 1994-2019 and Implications to Air Quality Index. Finnish Environment Institute, 2022.
Warning: These citations may not always be 100% accurate.