To cite package ‘tlf’ in publications use:

  Sevestre M, Chelle P, Hamadeh A (2025). _tlf: TLF Library_. R package
  version 1.6.2,
  <https://github.com/open-systems-pharmacology/tlf-library>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tlf: TLF Library},
    author = {Michael Sevestre and Pierre Chelle and Abdullah Hamadeh},
    year = {2025},
    note = {R package version 1.6.2},
    url = {https://github.com/open-systems-pharmacology/tlf-library},
  }