To cite nonprobsvy in publications use:

Chrostowski Ł, Beręsewicz M, Chlebicki P (2025). Inference Based on Non-Probability Samples. R package version 0.2, https://github.com/ncn-foreigners/nonprobsvy.

Corresponding BibTeX entry:

  @Manual{nonprobsy,
    title = {Inference Based on Non-Probability Samples},
    author = {Łukasz Chrostowski and Maciej Beręsewicz and Piotr
      Chlebicki},
    note = {R package version 0.2},
    year = {2025},
    url = {https://github.com/ncn-foreigners/nonprobsvy},
  }