Kindly cite the eurostat R package as follows:

  Lahti L., Huovari J., Kainu M., and Biecek P. (2017). Retrieval and
  analysis of Eurostat open data with the eurostat package. The R
  Journal 9(1), pp. 385-392. doi: 10.32614/RJ-2017-019

A BibTeX entry for LaTeX users is

  @Article{10.32614/RJ-2017-019,
    title = {Retrieval and Analysis of Eurostat Open Data with the eurostat Package},
    author = {Leo Lahti and Janne Huovari and Markus Kainu and Przemyslaw Biecek},
    journal = {The R Journal},
    volume = {9},
    number = {1},
    pages = {385--392},
    year = {2017},
    doi = {10.32614/RJ-2017-019},
    url = {https://doi.org/10.32614/RJ-2017-019},
  }

  Lahti, L., Huovari J., Kainu M., Biecek P., Hernangomez D., Antal D.,
  and Kantanen P. (2023). eurostat: Tools for Eurostat Open Data
  [Computer software]. R package version 4.0.0.
  https://github.com/rOpenGov/eurostat

A BibTeX entry for LaTeX users is

  @Misc{eurostat,
    title = {eurostat: Tools for Eurostat Open Data},
    author = {Leo Lahti and Janne Huovari and Markus Kainu and Przemyslaw Biecek and Diego Hernangomez and Daniel Antal and Pyry Kantanen},
    url = {https://github.com/rOpenGov/eurostat},
    type = {Computer software},
    year = {2023},
    note = {R package version 4.0.0},
  }