To cite package ‘quadVAR’ in publications use:

  Cui J (2025). _quadVAR: Quadratic Vector Autoregression_. R package
  version 0.1.2, <https://CRAN.R-project.org/package=quadVAR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {quadVAR: Quadratic Vector Autoregression},
    author = {Jingmeng Cui},
    year = {2025},
    note = {R package version 0.1.2},
    url = {https://CRAN.R-project.org/package=quadVAR},
  }