To cite package ‘shapes’ in publications use:

Dryden I (2026). shapes: Statistical Shape Analysis. R package version 1.2.9, https://github.com/iandryden/shapes.

Corresponding BibTeX entry:

  @Manual{,
    title = {shapes: Statistical Shape Analysis},
    author = {Ian Dryden},
    year = {2026},
    note = {R package version 1.2.9},
    url = {https://github.com/iandryden/shapes},
  }