To cite package ‘lulab.utils’ in publications use:

  Lu Z (2024). _lulab.utils: Supporting Functions Maintained by Zhen
  Lu_. R package version 0.0.4,
  <https://CRAN.R-project.org/package=lulab.utils>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lulab.utils: Supporting Functions Maintained by Zhen Lu},
    author = {Zhen Lu},
    year = {2024},
    note = {R package version 0.0.4},
    url = {https://CRAN.R-project.org/package=lulab.utils},
  }