To cite package ‘SMNlmec’ in publications use:

  Zhong K, Schumacher F, Castro L, Lachos V, Carrasco J (2024).
  _SMNlmec: Scale Mixture of Normal Distribution in Linear
  Mixed-Effects Model_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=SMNlmec>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SMNlmec: Scale Mixture of Normal Distribution in Linear Mixed-Effects
Model},
    author = {Kelin Zhong and Fernanda L. Schumacher and Luis M. Castro and Victor H. Lachos and Jalmar M.F. Carrasco},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=SMNlmec},
  }