To cite package 'openair' in publications use:

Carslaw, D. C. and K. Ropkins, (2012) openair --- an R package for air quality data analysis. Environmental Modelling & Software. Volume 27-28, 52-61.

Carslaw D and Ropkins K (2016). openair: Open-source tools for the analysis of air pollution data. R package version 1.8-6, http://CRAN.R-project.org/package=openair.

Corresponding BibTeX entries:

  @Article{,
    title = {openair --- An R package for air quality data analysis},
    author = {David C. Carslaw and Karl Ropkins},
    journal = {Environmental Modelling & Software},
    volume = {27--28},
    number = {0},
    pages = {52--61},
    year = {2012},
    issn = {1364-8152},
    doi = {10.1016/j.envsoft.2011.09.008},
  }

  @Manual{,
    title = {{openair}: Open-source tools for the analysis of air
      pollution data},
    author = {David Carslaw and Karl Ropkins},
    year = {2016},
    note = {R package version 1.8-6},
    url = {http://CRAN.R-project.org/package=openair},
  }