To cite package ‘landmaRk’ in publications use:

  Velasco-Pardo V, Constantine-Cooke N, Vallejos C, Lees C (2026).
  _landmaRk: Time-to-Event Landmark Analysis using an Array of
  Longitudinal and Survival Sub-Models_. R package version 0.1.1,
  <https://CRAN.R-project.org/package=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 Catalina Vallejos and Charlie Lees},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=landmaRk},
  }