To cite package ‘wand’ in publications use:

Rudis B (2019). wand: Retrieve Magic Attributes from Files and Directories. R package version 0.6.0, https://gitlab.com/hrbrmstr/wand.

Corresponding BibTeX entry:

  @Manual{,
    title = {wand: Retrieve Magic Attributes from Files and
      Directories},
    author = {Bob Rudis},
    year = {2019},
    note = {R package version 0.6.0},
    url = {https://gitlab.com/hrbrmstr/wand},
  }