To cite package ‘Surrogate’ in publications use:

Van Der Elst W, Stijven F, Ong F, De Witte D, Deliorman G, Meyvisch P, Poveda A, Alonso A, Ensor H, Weir C, Molenberghs G (2026). Surrogate: Evaluation of Surrogate Endpoints in Clinical Trials. R package version 3.4.2.9000, https://github.com/florianstijven/surrogate-development.

Corresponding BibTeX entry:

  @Manual{,
    title = {Surrogate: Evaluation of Surrogate Endpoints in Clinical
      Trials},
    author = {Wim {Van Der Elst} and Florian Stijven and Fenny Ong and
      Dries {De Witte} and Gokce Deliorman and Paul Meyvisch and Alvaro
      Poveda and Ariel Alonso and Hannah Ensor and Christoper Weir and
      Geert Molenberghs},
    year = {2026},
    note = {R package version 3.4.2.9000},
    url = {https://github.com/florianstijven/surrogate-development},
  }