To cite package ‘lmeSplines’ in publications use:

Ball R (2025). lmeSplines: Add Smoothing Spline Modelling Capability to 'nlme'. R package version 1.1.20, https://github.com/agalecki/lmesplines.

Corresponding BibTeX entry:

  @Manual{,
    title = {lmeSplines: Add Smoothing Spline Modelling Capability to
      `nlme`},
    author = {Rod Ball},
    year = {2025},
    note = {R package version 1.1.20},
    url = {https://github.com/agalecki/lmesplines},
  }