To cite package ‘mixor’ in publications use:

  Archer K, Hedeker D, Nordgren R, Gibbons R (2026). _mixor:
  Mixed-Effects Ordinal Regression Analysis_. R package version 1.0.7,
  <https://CRAN.R-project.org/package=mixor>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {mixor: Mixed-Effects Ordinal Regression Analysis},
    author = {Kellie J. Archer and Donald Hedeker and Rachel Nordgren and Robert D. Gibbons},
    year = {2026},
    note = {R package version 1.0.7},
    url = {https://CRAN.R-project.org/package=mixor},
  }