To cite package ‘optic’ in publications use:

Griffin B, Nascimento de Lima P, Griswold M, Scherling A, Pane J, Grimm G (2026). optic: Simulation Tool for Causal Inference Using Longitudinal Data. R package version 1.2.4, https://github.com/randcorporation/optic.

Corresponding BibTeX entry:

  @Manual{,
    title = {optic: Simulation Tool for Causal Inference Using
      Longitudinal Data},
    author = {Beth Ann Griffin and Pedro {Nascimento de Lima} and Max
      Griswold and Adam Scherling and Joseph Pane and Geoffrey Grimm},
    year = {2026},
    note = {R package version 1.2.4},
    url = {https://github.com/randcorporation/optic},
  }