To cite package ‘BFHcharts’ in publications use:

  Reventlow J (2026). _BFHcharts: SPC Visualization for Healthcare
  Quality Improvement_. R package version 0.23.0,
  <https://github.com/johanreventlow/bfhcharts>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BFHcharts: SPC Visualization for Healthcare Quality Improvement},
    author = {Johan Reventlow},
    year = {2026},
    note = {R package version 0.23.0},
    url = {https://github.com/johanreventlow/bfhcharts},
  }