To cite the 'mapSpain' package in publications use:

Hernangómez D (2022). mapSpain: Administrative Boundaries of Spain. doi: 10.5281/zenodo.5366622, https://ropenspain.github.io/mapSpain/.

Corresponding BibTeX entry:

  @Manual{,
    title = {mapSpain: Administrative Boundaries of Spain},
    year = {2022},
    version = {0.6.1},
    author = {Diego Hernangómez},
    doi = {10.5281/zenodo.5366622},
    url = {https://ropenspain.github.io/mapSpain/},
    abstract = {Administrative Boundaries of Spain at several levels
      (Autonomous Communities, Provinces, Municipalities) based on the
      'GISCO' 'Eurostat' database
      <https://ec.europa.eu/eurostat/web/gisco> and 'CartoBase SIANE'
      from 'Instituto Geografico Nacional' <https://www.ign.es/>. It
      also provides a 'leaflet' plugin and the ability of downloading
      and processing static tiles.},
  }