Cita APA (7a ed.)

Salvo, A., Brito, J., Artaxo, P., & Geiger, F. M. (2017). Reduced ultrafine particle levels in São Paulo’s atmosphere during shifts from gasoline to ethanol use. Nature Portfolio.

Cita Chicago Style (17a ed.)

Salvo, Alberto, Joel Brito, Paulo Artaxo, y Franz M. Geiger. Reduced Ultrafine Particle Levels in São Paulo’s Atmosphere During Shifts from Gasoline to Ethanol Use. Nature Portfolio, 2017.

Cita MLA (8a ed.)

Salvo, Alberto, et al. Reduced Ultrafine Particle Levels in São Paulo’s Atmosphere During Shifts from Gasoline to Ethanol Use. Nature Portfolio, 2017.