To cite package ‘labelled’ in publications use:

  Larmarange J (2024). _labelled: Manipulating Labelled Data_. R
  package version 2.13.0.9000, ,
  <https://github.com/larmarange/labelled>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {labelled: Manipulating Labelled Data},
    author = {Joseph Larmarange},
    year = {2024},
    note = {R package version 2.13.0.9000, 
},
    url = {https://github.com/larmarange/labelled},
  }