To cite package ‘gammaFuncModel’ in publications use:

  Chen H, Liang L (2026). _gammaFuncModel: Non-Linear Mixed Effects
  Model Based on the Gamma Function Form_. R package version 6.0,
  <https://CRAN.R-project.org/package=gammaFuncModel>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gammaFuncModel: Non-Linear Mixed Effects Model Based on the Gamma Function Form},
    author = {Hongting Chen and Liming Liang},
    year = {2026},
    note = {R package version 6.0},
    url = {https://CRAN.R-project.org/package=gammaFuncModel},
  }