To cite package ‘restatis’ in publications use:

  Buhl Y, Kovacevic Z, Le Jeune D, Nguyen L, Ritter J (2024).
  _restatis: R Wrapper to Access a Wide Range of Germany's Federal
  Statistical System Databases Based on the GENESIS Web Service RESTful
  API of the German Federal Statistical Office (Statistisches
  Bundesamt/Destatis)_. R package version 0.2.0,
  <https://CRAN.R-project.org/package=restatis>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {restatis: R Wrapper to Access a Wide Range of Germany's Federal
Statistical System Databases Based on the GENESIS Web Service
RESTful API of the German Federal Statistical Office
(Statistisches Bundesamt/Destatis)},
    author = {Yannik Buhl and Zoran Kovacevic and Dorian {Le Jeune} and Long Nguyen and Johannes Ritter},
    year = {2024},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=restatis},
  }