To cite package ‘qtl2fst’ in publications use:

  Broman K, Yandell B, Simecek P (2024). _qtl2fst: Database Storage of
  Genotype Probabilities for QTL Mapping_. R package version 0.28,
  <https://CRAN.R-project.org/package=qtl2fst>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {qtl2fst: Database Storage of Genotype Probabilities for QTL Mapping},
    author = {Karl W Broman and Brian S Yandell and Petr Simecek},
    year = {2024},
    note = {R package version 0.28},
    url = {https://CRAN.R-project.org/package=qtl2fst},
  }