To cite package ‘unitedR’ in publications use:

  Schindler D (2020). _unitedR: Assessment and Evaluation of Formations
  in United_. R package version 0.4,
  <https://CRAN.R-project.org/package=unitedR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {unitedR: Assessment and Evaluation of Formations in United},
    author = {David Schindler},
    year = {2020},
    note = {R package version 0.4},
    url = {https://CRAN.R-project.org/package=unitedR},
  }