To cite glmmsel in publications use:

  Thompson R, Wand MP, Wang JJJ (2025). “Subset selection in linear
  mixed models.” _arXiv:2506.20425_.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Subset selection in linear mixed models},
    author = {Ryan Thompson and Matt P Wand and Joanna J J Wang},
    journal = {arXiv:2506.20425},
    year = {2025},
  }