To cite package ‘opencis’ in publications use:

Meleiro H (2026). opencis: Import Data from Spanish Sociological Research Center (CIS). R package version 0.1.0, https://github.com/hmeleiro/opencis.

Corresponding BibTeX entry:

  @Manual{,
    title = {opencis: Import Data from Spanish Sociological Research
      Center (CIS)},
    author = {Héctor Meleiro},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/hmeleiro/opencis},
  }