To cite package ‘Category’ in publications use:

  Gentleman R (2024). _Category: Category Analysis_. R package version
  2.71.0, <https://bioconductor.org/packages/Category>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Category: Category Analysis},
    author = {Robert Gentleman},
    year = {2024},
    note = {R package version 2.71.0},
    url = {https://bioconductor.org/packages/Category},
  }