To cite package ‘excerptr’ in publications use:

  Cullmann AD (2025). _excerptr: Excerpt Structuring Comments from Your
  Code File and Set a Table of Contents_. R package version 2.1.0.9000,
  <https://gitlab.com/fvafrcu/excerptr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {excerptr: Excerpt Structuring Comments from Your Code File and Set a Table
of Contents},
    author = {Andreas Dominik Cullmann},
    year = {2025},
    note = {R package version 2.1.0.9000},
    url = {https://gitlab.com/fvafrcu/excerptr},
  }