To cite package ‘VAJointSurv’ in publications use:

  Christoffersen B, Clements M, Akynkozhayev B (2025). _VAJointSurv:
  Variational Approximation for Joint Survival and Marker Models_. R
  package version 0.1.1,
  <https://CRAN.R-project.org/package=VAJointSurv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {VAJointSurv: Variational Approximation for Joint Survival and Marker Models},
    author = {Benjamin Christoffersen and Mark Clements and Birzhan Akynkozhayev},
    year = {2025},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=VAJointSurv},
  }