To cite package ‘harrypotter’ in publications use:

Jimenez Rico A (2020). harrypotter: Palettes Generated from All "Harry Potter" Movies. R package version 2.1.1, https://github.com/aljrico/harrypotter.

Corresponding BibTeX entry:

  @Manual{,
    title = {harrypotter: Palettes Generated from All "Harry Potter"
      Movies},
    author = {Alejandro {Jimenez Rico}},
    year = {2020},
    note = {R package version 2.1.1},
    url = {https://github.com/aljrico/harrypotter},
  }