To cite 'CatastRo' in publications use:

  Delgado Panadero Á, Hernangómez D (2023). _CatastRo: Interface to the
  API Sede Electrónica Del Catastro_. doi:10.5281/zenodo.6044091
  <https://doi.org/10.5281/zenodo.6044091>,
  <https://ropenspain.github.io/CatastRo/>.

A BibTeX entry for LaTeX users is

  @Manual{R-catastro,
    title = {{CatastRo}: Interface to the {API} Sede Electrónica Del Catastro},
    author = {Ángel {Delgado Panadero} and Diego Hernangómez},
    year = {2023},
    version = {0.2.3.9000},
    url = {https://ropenspain.github.io/CatastRo/},
    doi = {10.5281/zenodo.6044091},
    abstract = {Access public spatial data available under the INSPIRE directive. Tools for downloading references and addresses of properties, as well as map images.},
  }