To cite package ‘abbreviate’ in publications use:

Klinke S (2021). abbreviate: Readable String Abbreviation. R package version 0.2, https://github.com/sigbertklinke/abbreviate.

Corresponding BibTeX entry:

  @Manual{,
    title = {abbreviate: Readable String Abbreviation},
    author = {Sigbert Klinke},
    year = {2021},
    note = {R package version 0.2},
    url = {https://github.com/sigbertklinke/abbreviate},
  }