To cite package ‘istacr’ in publications use:

  Gonzalez A (2021). _istacr: Obtaining Open Data from Instituto
  Canario De Estadistica (ISTAC) API_. R package version 0.2.0,
  <https://github.com/ropenspain/istacr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {istacr: Obtaining Open Data from Instituto Canario De Estadistica
(ISTAC) API},
    author = {Alberto Gonzalez},
    year = {2021},
    note = {R package version 0.2.0},
    url = {https://github.com/ropenspain/istacr},
  }