To cite package ‘fpc’ in publications use:

Hennig C (2026). fpc: Flexible Procedures for Clustering. R package version 2.2-14, https://CRAN.R-project.org/package=fpc.

Corresponding BibTeX entry:

  @Manual{,
    title = {fpc: Flexible Procedures for Clustering},
    author = {Christian Hennig},
    year = {2026},
    note = {R package version 2.2-14},
    url = {https://CRAN.R-project.org/package=fpc},
  }