To cite package ‘fastQR’ in publications use:

  Bernardi M, Busatto C, Cattelan M (2026). _fastQR: Fast QR
  Decomposition and Update_. R package version 1.1.4,
  <https://CRAN.R-project.org/package=fastQR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fastQR: Fast QR Decomposition and Update},
    author = {Mauro Bernardi and Claudio Busatto and Manuela Cattelan},
    year = {2026},
    note = {R package version 1.1.4},
    url = {https://CRAN.R-project.org/package=fastQR},
  }