To cite package ‘bigBits’ in publications use:

  Witthoft C (2024). _bigBits: Perform Boolean Operations on Large
  Numbers_. R package version 1.3,
  <https://CRAN.R-project.org/package=bigBits>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {bigBits: Perform Boolean Operations on Large Numbers},
    author = {Carl Witthoft},
    year = {2024},
    note = {R package version 1.3},
    url = {https://CRAN.R-project.org/package=bigBits},
  }