To cite package ‘utilitybeltlists’ in publications use:

Last F (2021). utilitybeltlists: What the Package Does (One Line, Title Case). R package version 0.0.0.9000, https://github.com/selkamand/utilitybeltlists.

Corresponding BibTeX entry:

  @Manual{,
    title = {utilitybeltlists: What the Package Does (One Line, Title
      Case)},
    author = {First Last},
    year = {2021},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/selkamand/utilitybeltlists},
  }