To cite package ‘penetrance’ in publications use:

  Kubista N, Lab B (2025). _penetrance: Methods for Penetrance
  Estimation in Family-Based Studies_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=penetrance>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {penetrance: Methods for Penetrance Estimation in Family-Based Studies},
    author = {Nicolas Kubista and BayesMendel Lab},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=penetrance},
  }