Kindly cite the pxweb R package as follows:

  Mans Magnusson, Markus Kainu, Janne Huovari, and Leo Lahti
  (rOpenGov).  pxweb: R tools for PXWEB API.  URL:
  http://github.com/ropengov/pxweb

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {pxweb: R tools for PX-WEB API},
    author = {Mans Magnusson and Markus Kainu and Janne Huovari and Leo Lahti},
    year = {2019},
  }