To cite package 'Bolstad' in publications use:

James Curran and William Bolstad (2018). Bolstad: Bolstad functions. R package version 0.2-38.

Corresponding BibTeX entry:

  @Manual{,
    title = {Bolstad: Bolstad functions},
    author = {James Curran and William Bolstad},
    year = {2018},
    note = {R package version 0.2-38},
  }