To cite package 'lessR' in publications use:

Gerbing DW (2021). “Enhancement of the Command-Line Environment for use in the Introductory Statistics Course and Beyond.” Journal of Statistics and Data Science Education, 29(3), 251–266.

Corresponding BibTeX entry:

  @Article{,
    title = {Enhancement of the Command-Line Environment for use in the
      Introductory Statistics Course and Beyond},
    author = {David W. Gerbing},
    journal = {Journal of Statistics and Data Science Education},
    year = {2021},
    volume = {29},
    number = {3},
    pages = {251--266},
  }