To cite package ‘rconvertu’ in publications use:

  Bolotov I (2026). _rconvertu: From/to Classification Converter_. R
  package version 1.1.0, <https://github.com/econcz/rconvertu>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rconvertu: From/to Classification Converter},
    author = {Ilya Bolotov},
    year = {2026},
    note = {R package version 1.1.0},
    url = {https://github.com/econcz/rconvertu},
  }