To cite package ‘qio’ in publications use:

  Baltazar P, Natter J (2026). _qio: Read and Write 'Apache Parquet'
  Files_. R package version 0.1.1, <https://github.com/pedrobtz/qio>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {qio: Read and Write 'Apache Parquet' Files},
    author = {Pedro Baltazar and Johan HG Natter},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/pedrobtz/qio},
  }