To cite package ‘hettx’ in publications use:

  Ding P, Feller A, Fifield B, Miratrix L (2026). _hettx: Fisherian and
  Neymanian Methods for Detecting and Measuring Treatment Effect
  Variation_. R package version 1.0.1,
  <https://github.com/bfifield/hettx>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {hettx: Fisherian and Neymanian Methods for Detecting and Measuring
Treatment Effect Variation},
    author = {Peng Ding and Avi Feller and Ben Fifield and Luke Miratrix},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://github.com/bfifield/hettx},
  }
