To cite package ‘lmm’ in publications use:

Schafer JL (2026). lmm: Linear Mixed Models. R package version 1.6, https://github.com/jinghuazhao/r.

Corresponding BibTeX entry:

  @Manual{,
    title = {lmm: Linear Mixed Models},
    author = {Joseph L. Schafer},
    year = {2026},
    note = {R package version 1.6},
    url = {https://github.com/jinghuazhao/r},
  }