To cite readSX in publications use:

Daus S (2022). “Read Survey Data from SurveyXact with readSX.” An R-package developed for researchers and pollsters in the social sciences., https://github.com/sda030/surveyreport.

Corresponding BibTeX entry:

  @Unpublished{,
    title = {Read Survey Data from SurveyXact with {readSX}},
    author = {Stephan Daus},
    year = {2022},
    address = {Tvetenveien 231, 0675 Oslo},
    note = {An R-package developed for researchers and pollsters in the
      social sciences.},
    url = {https://github.com/sda030/surveyreport},
  }