To cite package ‘cshapes’ in publications use:

Weidmann N, Schvitz G, Girardin L (2021). cshapes: The CShapes 2.0 Dataset and Utilities. R package version 2.0, https://CRAN.R-project.org/package=cshapes.

Corresponding BibTeX entry:

  @Manual{,
    title = {cshapes: The CShapes 2.0 Dataset and Utilities},
    author = {Nils B. Weidmann and Guy Schvitz and Luc Girardin},
    year = {2021},
    note = {R package version 2.0},
    url = {https://CRAN.R-project.org/package=cshapes},
  }