To cite package ‘combinat’ in publications use:

  Chasalow S (2026). _combinat: Combinatorics Utilities_. R package
  version 0.0-9, <https://CRAN.R-project.org/package=combinat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {combinat: Combinatorics Utilities},
    author = {Scott Chasalow},
    year = {2026},
    note = {R package version 0.0-9},
    url = {https://CRAN.R-project.org/package=combinat},
  }
