To cite the package clustGLMM in publications use the following
article:

  Vávra J, Komárek A, Grün B, Malsiner-Walli G (2024). “Clusterwise
  multivariate regression of mixed-type panel data.” _Statistics and
  Computing_, *34*(46). doi:10.1007/s11222-023-10304-5
  <https://doi.org/10.1007/s11222-023-10304-5>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Clusterwise multivariate regression of mixed-type panel data},
    author = {Jan Vávra and Arnošt Komárek and Bettina Grün and Gertraud Malsiner-Walli},
    journal = {Statistics and Computing},
    year = {2024},
    volume = {34},
    number = {46},
    doi = {10.1007/s11222-023-10304-5},
  }