To cite edgebundle in publications use:

  Schoch David (2023) edgebundle: Algorithms for Bundling Edges in
  Networks and Visualizing Flow and Metro Maps. R package version
  0.4.1, <https://github.com/schochastics/edgebundle>

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {edgebundle: Algorithms for Bundling Edges in Networks and Visualizing Flow and Metro Maps},
    author = {David Schoch},
    note = {R package version 0.4.2},
    year = {2023},
    url = {https://github.com/schochastics/edgebundle},
  }
