To cite package ‘GJRM’ in publications use:

  Marra, G. and Radice, R. (2024), GJRM: Generalised Joint Regression
  Modelling, R package version 0.2-6.7

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {GJRM: Generalised Joint Regression Modelling},
    pages = {R package version 0.2-6.7},
    year = {2024},
    author = {Giampiero Marra and Rosalba Radice},
  }