To cite package ‘Jacquard’ in publications use:

  Graffelman J (2024). _Jacquard: Estimation of Jacquard's Genetic
  Identity Coefficients_. R package version 1.0.2, ,
  <https://CRAN.R-project.org/package=Jacquard>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Jacquard: Estimation of Jacquard's Genetic Identity Coefficients},
    author = {Jan Graffelman},
    year = {2024},
    note = {R package version 1.0.2, },
    url = {https://CRAN.R-project.org/package=Jacquard},
  }