To cite package ‘qarPI’ in publications use:

  Novo S, Sánchez-Sellero C (2026). _qarPI: Prediction Intervals for
  Quantile Autoregression_. R package version 0.1.0,
  <https://github.com/silvianovo/qarpi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {qarPI: Prediction Intervals for Quantile Autoregression},
    author = {Silvia Novo and César Sánchez-Sellero},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/silvianovo/qarpi},
  }