To cite package ‘landmaRk’ in publications use:

  Velasco-Pardo V, Constantine-Cooke N, Lees C, Vallejos C (2026).
  _landmaRk: Time-to-Event Landmark Analysis using an Array of
  Longitudinal and Survival Sub-Models_. R package version 0.1.1.9000,
  <https://github.com/vallejosgroup/landmark>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {landmaRk: Time-to-Event Landmark Analysis using an Array of Longitudinal
and Survival Sub-Models},
    author = {Victor Velasco-Pardo and Nathan Constantine-Cooke and Charlie Lees and Catalina Vallejos},
    year = {2026},
    note = {R package version 0.1.1.9000},
    url = {https://github.com/vallejosgroup/landmark},
  }