To cite package ‘fssg’ in publications use:

  Rothen J (2026). _fssg: Parametric Survival Modeling in Bulk_. R
  package version 1.0.0.9000, <https://github.com/jmrothen/fssg>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fssg: Parametric Survival Modeling in Bulk},
    author = {John Rothen},
    year = {2026},
    note = {R package version 1.0.0.9000},
    url = {https://github.com/jmrothen/fssg},
  }