To cite package ‘geesibsor’ in publications use:

Broman K (2026). geesibsor: Odds Ratio for Siblings by GEE. R package version 0.51-6, https://github.com/kbroman/geesibsor.

Corresponding BibTeX entry:

  @Manual{,
    title = {geesibsor: Odds Ratio for Siblings by GEE},
    author = {Karl W Broman},
    year = {2026},
    note = {R package version 0.51-6},
    url = {https://github.com/kbroman/geesibsor},
  }