APA (7th ed.) Citation

Mendes, J. F. G., & Silva, L. T. (2008). CityAIR: A new air quality index for cities.

Chicago Style (17th ed.) Citation

Mendes, José F. G., and Lígia Torres Silva. CityAIR: A New Air Quality Index for Cities. 2008.

MLA (8th ed.) Citation

Mendes, José F. G., and Lígia Torres Silva. CityAIR: A New Air Quality Index for Cities. 2008.

Warning: These citations may not always be 100% accurate.