To cite package ‘pycno’ in publications use:

Brunsdon C (2025). pycno: Pycnophylactic Interpolation. R package version 1.4.1, https://CRAN.R-project.org/package=pycno.

Corresponding BibTeX entry:

  @Manual{,
    title = {pycno: Pycnophylactic Interpolation},
    author = {Chris Brunsdon},
    year = {2025},
    note = {R package version 1.4.1},
    url = {https://CRAN.R-project.org/package=pycno},
  }