To cite fitPS in publications use:

Curran, M. J (2023). fitPS: Fit Zeta Distributions to Forensic Data. R package version 0.2-2, https://CRAN.R-project.org/package=fitPS.

Corresponding BibTeX entry:

  @Manual{,
    title = {fitPS: Fit Zeta Distributions to Forensic Data},
    author = {{Curran} and J. M.},
    year = {2023},
    note = {R package version 0.2-2},
    url = {https://CRAN.R-project.org/package=fitPS},
  }