To cite package ‘groupedChord’ in publications use:

  Nicosia A (2026). _groupedChord: Grouped Circular Flow Diagrams_. R
  package version 0.1.0,
  <https://github.com/aureliennicosiaulaval/groupedchord>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {groupedChord: Grouped Circular Flow Diagrams},
    author = {Aurélien Nicosia},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/aureliennicosiaulaval/groupedchord},
  }