To cite package ‘grates’ in publications use:

  Taylor T (2024). _grates: Grouped Date Classes_. R package version
  1.3.0, <https://CRAN.R-project.org/package=grates>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {grates: Grouped Date Classes},
    author = {Tim Taylor},
    year = {2024},
    note = {R package version 1.3.0},
    url = {https://CRAN.R-project.org/package=grates},
  }