To cite ssel in publications use:

  Verri Kozlowski A (2026). _ssel: Semi-Supervised Ensemble Learning_.
  R package version 0.4.0, <https://averriK.github.io/ssel/>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{ssel}: Semi-Supervised Ensemble Learning},
    author = {Alejandro {Verri Kozlowski}},
    year = {2026},
    note = {R package version 0.4.0},
    url = {https://averriK.github.io/ssel/},
  }