To cite package ‘robust2sls’ in publications use:

  Kurle J (2024). _robust2sls: Outlier Robust Two-Stage Least Squares
  Inference and Testing_. R package version 0.2.2,
  <https://github.com/jkurle/robust2sls>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {robust2sls: Outlier Robust Two-Stage Least Squares Inference and Testing},
    author = {Jonas Kurle},
    year = {2024},
    note = {R package version 0.2.2},
    url = {https://github.com/jkurle/robust2sls},
  }