To cite package ‘joker’ in publications use:

  Ho T, Jeffrey W Hollister (2024). _joker: Return a Random Joke from
  APIs_. R package version 0.0.3, <https://github.com/tanho63/joker>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {joker: Return a Random Joke from APIs},
    author = {Tan Ho and {Jeffrey W Hollister}},
    year = {2024},
    note = {R package version 0.0.3},
    url = {https://github.com/tanho63/joker},
  }