To cite package ‘qtbi’ in publications use:

  Msemakweli J (2026). _qtbi: Quantum Toxic Burden Index_. R package
  version 0.1.2, <https://github.com/january-msemakweli/qtbi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {qtbi: Quantum Toxic Burden Index},
    author = {January G. Msemakweli},
    year = {2026},
    note = {R package version 0.1.2},
    url = {https://github.com/january-msemakweli/qtbi},
  }