To cite package ‘LTFGRS’ in publications use:

  Pedersen E, Steinbach J, Krebs M (2026). _LTFGRS: Implementation of
  Several Phenotype-Based Family Genetic Risk Scores_. R package
  version 1.1.1, <https://github.com/emilmip/ltfgrs>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {LTFGRS: Implementation of Several Phenotype-Based Family Genetic Risk
Scores},
    author = {Emil Michael Pedersen and Jette Steinbach and Morten Dybdahl Krebs},
    year = {2026},
    note = {R package version 1.1.1},
    url = {https://github.com/emilmip/ltfgrs},
  }