To cite package ‘iTOS’ in publications use:

Rosenbaum PR (2024). iTOS: Methods and Examples from Introduction to the Theory of Observational Studies. R package version 1.0.3, https://CRAN.R-project.org/package=iTOS.

Corresponding BibTeX entry:

  @Manual{,
    title = {iTOS: Methods and Examples from Introduction to the Theory
      of Observational Studies},
    author = {Paul R. Rosenbaum},
    year = {2024},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=iTOS},
  }