To cite package ‘clustertend’ in publications use:

  Wright K, YiLan L, RuTong Z (2024). _clustertend: Check the
  Clustering Tendency_. R package version 1.7,
  <https://github.com/kwstat/clustertend>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {clustertend: Check the Clustering Tendency},
    author = {Kevin Wright and Luo YiLan and Zeng RuTong},
    year = {2024},
    note = {R package version 1.7},
    url = {https://github.com/kwstat/clustertend},
  }