To cite package ‘cpge’ in publications use:

  Robert V (2026). _cpge: Interactive Clustered Graph for French
  Scientific Preparatory Classes_. R package version 1.0.2,
  <https://CRAN.R-project.org/package=cpge>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cpge: Interactive Clustered Graph for French Scientific Preparatory
Classes},
    author = {Valérie Robert},
    year = {2026},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=cpge},
  }