To cite package ‘rless’ in publications use:

Vaclavek J, Kuzilek J (2019). rless: Leaner Style Sheets. R package version 0.1.1, https://github.com/ciirc-kso/rless.

Corresponding BibTeX entry:

  @Manual{,
    title = {rless: Leaner Style Sheets},
    author = {Jonas Vaclavek and Jakub Kuzilek},
    year = {2019},
    note = {R package version 0.1.1},
    url = {https://github.com/ciirc-kso/rless},
  }