To cite package ‘Unitary’ in publications use:

  Xu Z (2026). _Unitary: Quantum Simulator_. R package version 0.3.11,
  <https://CRAN.R-project.org/package=Unitary>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Unitary: Quantum Simulator},
    author = {Zengchao Xu},
    year = {2026},
    note = {R package version 0.3.11},
    url = {https://CRAN.R-project.org/package=Unitary},
  }