To cite sylly.en in publications use:

Michalke M (2026). sylly.en: Language Support for 'sylly' Package: English. (Version 0.1-4), https://reaktanz.de/?c=hacking&s=sylly.

Corresponding BibTeX entry:

  @Manual{,
    title = {sylly.en: Language Support for 'sylly' Package: English},
    author = {Meik Michalke},
    year = {2026},
    note = {(Version 0.1-4)},
    url = {https://reaktanz.de/?c=hacking&s=sylly},
  }