To cite package ‘fingers’ in publications use:

  Broman K (2026). _fingers: Identifying Clusters of Related
  Individuals_. R package version 0.60-6,
  <https://github.com/kbroman/fingers>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fingers: Identifying Clusters of Related Individuals},
    author = {Karl W Broman},
    year = {2026},
    note = {R package version 0.60-6},
    url = {https://github.com/kbroman/fingers},
  }