To cite package ‘rfacts’ in publications use:

  Landau WM (2024). _rfacts: R Interface to 'FACTS' on Unix-Like
  Systems_. R package version 0.2.1.9000, ,
  <https://github.com/elilillyco/rfacts>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rfacts: R Interface to 'FACTS' on Unix-Like Systems},
    author = {William Michael Landau},
    year = {2024},
    note = {R package version 0.2.1.9000, 
},
    url = {https://github.com/elilillyco/rfacts},
  }