To cite package ‘landmarked’ in publications use:

Brown C (2026). landmarked: Plot Adjusted Kaplan-Meier Estimates from a Landmark Time. R package version 0.2.0, https://github.com/cstats/landmarked.

Corresponding BibTeX entry:

  @Manual{,
    title = {landmarked: Plot Adjusted Kaplan-Meier Estimates from a
      Landmark Time},
    author = {Chris Brown},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/cstats/landmarked},
  }