To cite package ‘ifit’ in publications use:

  Masarotto G (2025). _ifit: Simulation-Based Fitting of Parametric
  Models with Minimum Prior Information_. R package version 1.0.0,
  <https://CRAN.R-project.org/package=ifit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ifit: Simulation-Based Fitting of Parametric Models with Minimum Prior
Information},
    author = {Guido Masarotto},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=ifit},
  }