To cite package ‘gfoRmulaICE’ in publications use:

  Cheng Z, Li J, Rein S, O'Dea R, McGrath S, Wen L, Hernán M (2024).
  _gfoRmulaICE: Parametric Iterative Conditional Expectation
  G-Formula_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=gfoRmulaICE>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gfoRmulaICE: Parametric Iterative Conditional Expectation G-Formula},
    author = {Zhaoxi Cheng and Jing Li and Sophia Rein and Ryan O'Dea and Sean McGrath and Lan Wen and Miguel A. Hernán},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=gfoRmulaICE},
  }