To cite package ‘lmodel2’ in publications use:

  Legendre P (2024). _lmodel2: Model II Regression_. R package version
  1.7-4, <https://CRAN.R-project.org/package=lmodel2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lmodel2: Model II Regression},
    author = {Pierre Legendre},
    year = {2024},
    note = {R package version 1.7-4},
    url = {https://CRAN.R-project.org/package=lmodel2},
  }