To cite package ‘gfoRmula’ in publications use:

Lin V, McGrath S, Zhang Z, Logan R, Petito L, Li J, Emma M, Carrie C, Young J, Hernán M (2025). gfoRmula: Parametric G-Formula. R package version 1.1.2, https://github.com/causalinference/gformula.

Corresponding BibTeX entry:

  @Manual{,
    title = {gfoRmula: Parametric G-Formula},
    author = {Victoria Lin and Sean McGrath and Zilu Zhang and Roger W.
      Logan and Lucia C. Petito and Jing Li and McGee Emma and Cheng
      Carrie and Jessica G. Young and Miguel A. Hernán},
    year = {2025},
    note = {R package version 1.1.2},
    url = {https://github.com/causalinference/gformula},
  }