To cite package ‘clustTMB’ in publications use:

  Havron, Andrea. 2022. clustTMB: spatial finite mixture model. R
  package version 0.0.1.0. https://github.com/Andrea-Havron/clustTMB

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {clustTMB: spatial finite mixture model},
    author = {Andrea Havron},
    year = {2022},
    url = {https://github.com/Andrea-Havron/clustTMB},
  }