To cite package diagL1 in publications use:

  Kévin Allan Sales Rodrigues, Silvia Nagib Elian (2025). “Influence
  measures for L1 regression: an analysis with the R package diagL1.”
  _Journal of Applied Statistics_, *Advance online publication*.
  doi:10.1080/02664763.2025.2510691
  <https://doi.org/10.1080/02664763.2025.2510691>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Influence measures for L1 regression: an analysis with the R package diagL1},
    author = {{Kévin Allan Sales Rodrigues} and {Silvia Nagib Elian}},
    year = {2025},
    journal = {Journal of Applied Statistics},
    volume = {Advance online publication},
    doi = {10.1080/02664763.2025.2510691},
  }

  Kévin Allan Sales Rodrigues, Silvia Nagib Elian, Gustavo H. A.
  Pereira (2025). “Homoscedasticity tests for L1 regression and their
  performance evaluation through simulations.” _Statistics_, *Advance
  online publication*. doi:10.1080/02331888.2025.2536097
  <https://doi.org/10.1080/02331888.2025.2536097>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Homoscedasticity tests for L1 regression and their performance evaluation through simulations},
    author = {{Kévin Allan Sales Rodrigues} and {Silvia Nagib Elian} and {Gustavo H. A. Pereira}},
    year = {2025},
    journal = {Statistics},
    volume = {Advance online publication},
    doi = {10.1080/02331888.2025.2536097},
  }

  Rodrigues, K. A. S. and Elian, S. N. (2025). diagL1: Routines for
  Fit, Inference and Diagnostics in Linear L1 and LAD Models (version
  1.0.1). URL: https://CRAN.R-project.org/package=diagL1 .

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {diagL1: Routines for Fit, Inference and Diagnostics in Linear L1 and LAD Models},
    author = {{Kévin Allan Sales Rodrigues} and {Silvia Nagib Elian}},
    year = {2025},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=diagL1},
  }