APA (7th ed.) Citation

Pio, C., Alves, C., Nunes, T., Cerqueira, M., Lucarelli, F., Nava, S., . . . Querol, X. (2020). Source apportionment of PM2.5 and PM10 by Ionic and Mass Balance (IMB) in a traffic-influenced urban atmosphere, in Portugal. Atmospheric environment (1994), 223, 117217. https://doi.org/10.1016/j.atmosenv.2019.117217

Chicago Style (17th ed.) Citation

Pio, C., et al. "Source Apportionment of PM2.5 and PM10 by Ionic and Mass Balance (IMB) in a Traffic-influenced Urban Atmosphere, in Portugal." Atmospheric Environment (1994) 223 (2020): 117217. https://doi.org/10.1016/j.atmosenv.2019.117217.

MLA (9th ed.) Citation

Pio, C., et al. "Source Apportionment of PM2.5 and PM10 by Ionic and Mass Balance (IMB) in a Traffic-influenced Urban Atmosphere, in Portugal." Atmospheric Environment (1994), vol. 223, 2020, p. 117217, https://doi.org/10.1016/j.atmosenv.2019.117217.