To cite package ‘ggchord2’ in publications use:

  Rennie N (2026). _ggchord2: Chord Diagrams with 'ggplot2'_. R package
  version 0.0.1, <https://CRAN.R-project.org/package=ggchord2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggchord2: Chord Diagrams with 'ggplot2'},
    author = {Nicola Rennie},
    year = {2026},
    note = {R package version 0.0.1},
    url = {https://CRAN.R-project.org/package=ggchord2},
  }