To cite package ‘averisk’ in publications use:

Ferguson J (2017). averisk: Calculation of Average Population Attributable Fractions and Confidence Intervals. R package version 1.0.3, https://CRAN.R-project.org/package=averisk.

Corresponding BibTeX entry:

  @Manual{,
    title = {averisk: Calculation of Average Population Attributable
      Fractions and Confidence Intervals},
    author = {John Ferguson},
    year = {2017},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=averisk},
  }