To cite package ‘polaroid’ in publications use:

  Kim J (2024). _polaroid: Create Hex Stickers with 'shiny'_. R package
  version 0.1.0, <https://github.com/jhk0530/polaroid>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {polaroid: Create Hex Stickers with 'shiny'},
    author = {Jinhwan Kim},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/jhk0530/polaroid},
  }