To cite package ‘IndexNumberTools’ in publications use:

Serrano M (2025). IndexNumberTools: Working with Index Numbers. R package version 1.1, https://github.com/mserrano-ine/indexnumbertools.

Corresponding BibTeX entry:

  @Manual{,
    title = {IndexNumberTools: Working with Index Numbers},
    author = {Miguel Serrano},
    year = {2025},
    note = {R package version 1.1},
    url = {https://github.com/mserrano-ine/indexnumbertools},
  }