APA (7th ed.) Citation

Royal Society of Chemistry (Great Britain), Hester, R. E., & Harrison, R. M. (2009). Air quality in urban environments. RSC Publishing.

Chicago Style (17th ed.) Citation

Royal Society of Chemistry (Great Britain), R. E. Hester, and Roy M. Harrison. Air Quality in Urban Environments. Cambridge, UK: RSC Publishing, 2009.

MLA (9th ed.) Citation

Royal Society of Chemistry (Great Britain), et al. Air Quality in Urban Environments. RSC Publishing, 2009.