To cite package ‘pgenlibr’ in publications use:

  Chang C (2024). _pgenlibr: PLINK 2 Binary (.pgen) Reader_. R package
  version 0.3.7, <https://CRAN.R-project.org/package=pgenlibr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pgenlibr: PLINK 2 Binary (.pgen) Reader},
    author = {Christopher Chang},
    year = {2024},
    note = {R package version 0.3.7},
    url = {https://CRAN.R-project.org/package=pgenlibr},
  }