To cite package 'lessR' in publications use:

Gerbing DW (2019). lessR: Less Code, More Results. R package version 3.8.9, https://cran.r-project.org/package=lessR.

Corresponding BibTeX entry:

  @Manual{,
    title = {lessR: Less Code, More Results},
    author = {David W. Gerbing},
    year = {2019},
    note = {R package version 3.8.9},
    url = {https://cran.r-project.org/package=lessR},
  }