To cite package 'rclust' in publications use:

Coraggio L, Coretto P (2023). “Selecting the number of clusters, clustering models, and algorithms. A unifying approach based on the quadratic discriminant score.” Journal of Multivariate Analysis, 196(105181), 1-20. doi:10.1016/j.jmva.2023.105181, https://doi.org/10.1016/j.jmva.2023.105181.

Coraggio L, Coretto P (2024). qcluster: Clustering via Quadratic Scoring. R package version 1.2.1.

Corresponding BibTeX entries:

  @Article{,
    title = {Selecting the number of clusters, clustering models, and
      algorithms. {A} unifying approach based on the quadratic
      discriminant score},
    author = {Luca Coraggio and Pietro Coretto},
    year = {2023},
    journal = {Journal of Multivariate Analysis},
    volume = {196},
    number = {105181},
    pages = {1-20},
    doi = {10.1016/j.jmva.2023.105181},
    url = {https://doi.org/10.1016/j.jmva.2023.105181},
  }

  @Manual{,
    title = {qcluster: Clustering via Quadratic Scoring},
    author = {Luca Coraggio and Pietro Coretto},
    year = {2024},
    note = {R package version 1.2.1},
  }