To cite package ‘tind’ in publications use:

  Klima G (2026). _tind: A Common Representation of Time Indices of
  Different Types_. R package version 0.2.4,
  <https://github.com/dever-pl/tind>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tind: A Common Representation of Time Indices of Different Types},
    author = {Grzegorz Klima},
    year = {2026},
    note = {R package version 0.2.4},
    url = {https://github.com/dever-pl/tind},
  }