To cite package ‘qrcm’ in publications use:

  Frumento P (2026). _qrcm: Quantile Regression Coefficients Modeling_.
  R package version 3.3, <https://CRAN.R-project.org/package=qrcm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {qrcm: Quantile Regression Coefficients Modeling},
    author = {Paolo Frumento},
    year = {2026},
    note = {R package version 3.3},
    url = {https://CRAN.R-project.org/package=qrcm},
  }