To cite package ‘entratar’ in publications use:

  Briggs J (2026). _entratar: What the Package Does (One Line, Title
  Case)_. R package version 0.0.0.9000,
  <https://github.com/jimbrig/entratar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {entratar: What the Package Does (One Line, Title Case)},
    author = {Jimmy Briggs},
    year = {2026},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/jimbrig/entratar},
  }