To cite package ‘formatters’ in publications use:

  Becker G, Waddell A (2024). _formatters: ASCII Formatting for Values
  and Tables_. R package version 0.5.9, ,
  <https://github.com/insightsengineering/formatters>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {formatters: ASCII Formatting for Values and Tables},
    author = {Gabriel Becker and Adrian Waddell},
    year = {2024},
    note = {R package version 0.5.9, 
},
    url = {https://github.com/insightsengineering/formatters},
  }