To cite package ‘mlr3extralearners’ in publications use:

  Sonabend R, Schratz P, Fischer S (2024). _mlr3extralearners: Extra
  Learners For mlr3_. R package version 0.9.0,
  <https://github.com/mlr-org/mlr3extralearners>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {mlr3extralearners: Extra Learners For mlr3},
    author = {Raphael Sonabend and Patrick Schratz and Sebastian Fischer},
    year = {2024},
    note = {R package version 0.9.0},
    url = {https://github.com/mlr-org/mlr3extralearners},
  }