To cite package ‘growth’ in publications use:

Swihart B, Lindsey J (2026). growth: Multivariate Normal and Elliptically-Contoured Repeated Measurements Models. R package version 1.1.2, https://CRAN.R-project.org/package=growth.

Corresponding BibTeX entry:

  @Manual{,
    title = {growth: Multivariate Normal and Elliptically-Contoured
      Repeated Measurements Models},
    author = {Bruce Swihart and Jim Lindsey},
    year = {2026},
    note = {R package version 1.1.2},
    url = {https://CRAN.R-project.org/package=growth},
  }