To cite package ‘tth’ in publications use:

  Hutchinson IH, Leisch F, Zeileis A (2026). _tth: TeX-to-HTML/MathML
  Translators TtH/TtM_. R package version 4.16-1,
  <https://codeberg.org/zeileis/tth>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tth: TeX-to-HTML/MathML Translators TtH/TtM},
    author = {Ian H. Hutchinson and Friedrich Leisch and Achim Zeileis},
    year = {2026},
    note = {R package version 4.16-1},
    url = {https://codeberg.org/zeileis/tth},
  }