To cite package ‘lucas’ in publications use:

  Martinez L, dAndrimont R (2026). _lucas: Package to Download and
  Create the DB of LUCAS Data Harmonized_. R package version 1.0,
  <https://github.com/cranhaven/cranhaven.r-universe.dev>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lucas: Package to Download and Create the DB of LUCAS Data Harmonized},
    author = {Laura Martinez and Raphael dAndrimont},
    year = {2026},
    note = {R package version 1.0},
    url = {https://github.com/cranhaven/cranhaven.r-universe.dev},
  }