To cite the ptLasso package in publications, use:

  Craig E, Pilanci M, Le Menestrel T, Narasimhan B, Rivas MA, Gullaksen
  S-E, Dehghannasiri R, Salzman J, Taylor J, Tibshirani R (2025).
  Pretraining and the lasso. Journal of the Royal Statistical Society:
  Series B (Statistical Methodology), qkaf050.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Pretraining and the lasso},
    author = {Erin Craig and Mert Pilanci and Thomas {Le Menestrel} and Balasubramanian Narasimhan and Manuel A Rivas and Stein-Erik Gullaksen and Roozbeh Dehghannasiri and Julia Salzman and Jonathan Taylor and Robert Tibshirani},
    journal = {Journal of the Royal Statistical Society: Series B (Statistical Methodology)},
    year = {2025},
    pages = {qkaf050},
    doi = {10.1093/jrsssb/qkaf050},
    url = {https://doi.org/10.1093/jrsssb/qkaf050},
  }

  Craig E, Tibshirani R (2025). ptLasso: Pretraining and the lasso in
  R. R package version 1.0.2. URL: https://erincr.github.io/ptLasso/.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ptLasso: Pretraining and the lasso in R},
    author = {Erin Craig and Robert Tibshirani},
    year = {2025},
    note = {R package version 1.0.2},
    url = {https://erincr.github.io/ptLasso/},
  }

  Craig E, Pilanci M, Le Menestrel T, Narasimhan B, Rivas MA, Gullaksen
  S-E, Dehghannasiri R, Salzman J, Taylor J, Tibshirani R (2025).
  Pretraining and the lasso. Journal of the Royal Statistical Society:
  Series B (Statistical Methodology), qkaf050.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Pretraining and the lasso},
    author = {Erin Craig and Mert Pilanci and Thomas {Le Menestrel} and Balasubramanian Narasimhan and Manuel A Rivas and Stein-Erik Gullaksen and Roozbeh Dehghannasiri and Julia Salzman and Jonathan Taylor and Robert Tibshirani},
    journal = {Journal of the Royal Statistical Society: Series B (Statistical Methodology)},
    year = {2025},
    pages = {qkaf050},
    doi = {10.1093/jrsssb/qkaf050},
    url = {https://doi.org/10.1093/jrsssb/qkaf050},
  }

  Craig E, Tibshirani R (2025). ptLasso: Pretraining and the lasso in
  R. R package version 1.0.2. URL: https://erincr.github.io/ptLasso/.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ptLasso: Pretraining and the lasso in R},
    author = {Erin Craig and Robert Tibshirani},
    year = {2025},
    note = {R package version 1.0.2},
    url = {https://erincr.github.io/ptLasso/},
  }

Please also cite R and glmnet where appropriate.