To cite package ‘PSor’ in publications use:

  Tong J (2026). _PSor: Semiparametric Principal Stratification
  Analysis Beyond Monotonicity_. R package version 0.1.0,
  <https://github.com/deckardt98/psor>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PSor: Semiparametric Principal Stratification Analysis Beyond
Monotonicity},
    author = {Jiaqi Tong},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/deckardt98/psor},
  }