APA (7th ed.) Citation

Freitas, M. d. C., Dionísio, I., Fialho, P., & Barata, F. (2012). Aerosol chemical elemental mass concentration at lower free troposphere.

Chicago Style (17th ed.) Citation

Freitas, Maria do Carmo, Isabel Dionísio, Paulo Fialho, and Filipe Barata. Aerosol Chemical Elemental Mass Concentration at Lower Free Troposphere. 2012.

MLA (8th ed.) Citation

Freitas, Maria do Carmo, et al. Aerosol Chemical Elemental Mass Concentration at Lower Free Troposphere. 2012.