To cite package ‘tdigest’ in publications use:

  Rudis B, Dunning T, Werner A (2026). _tdigest: Wicked Fast, Accurate
  Quantiles Using t-Digests_. R package version 0.4.3,
  <https://CRAN.R-project.org/package=tdigest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tdigest: Wicked Fast, Accurate Quantiles Using t-Digests},
    author = {Bob Rudis and Ted Dunning and Andrew Werner},
    year = {2026},
    note = {R package version 0.4.3},
    url = {https://CRAN.R-project.org/package=tdigest},
  }