To cite package ‘stemtools’ in publications use:

  Vomáčka A (2026). _stemtools: Tools and helpful wrappers for analysts
  at Stem (https://www.stem.cz)_. R package version 0.2.2,
  <https://github.com/stem-cz/stemtools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {stemtools: Tools and helpful wrappers for analysts at Stem
(https://www.stem.cz)},
    author = {Aleš Vomáčka},
    year = {2026},
    note = {R package version 0.2.2},
    url = {https://github.com/stem-cz/stemtools},
  }