To cite package ‘ife’ in publications use:

  Williams N (2026). _ife: Autodiff for Influence Function Based
  Estimates_. R package version 0.2.4,
  <https://github.com/nt-williams/ife>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ife: Autodiff for Influence Function Based Estimates},
    author = {Nicholas Williams},
    year = {2026},
    note = {R package version 0.2.4},
    url = {https://github.com/nt-williams/ife},
  }