To cite package ‘gemtcPlus’ in publications use:

  Gsteiger S, Howlett N, Ashlee B (2024). _gemtcPlus: Provides a suite
  of extension functions for NMA using the `gemtc` package_. R package
  version 1.0.0, <https://github.com/roche/gemtcplus>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gemtcPlus: Provides a suite of extension functions for NMA using the
`gemtc` package},
    author = {Sandro Gsteiger and Nick Howlett and Beth Ashlee},
    year = {2024},
    note = {R package version 1.0.0},
    url = {https://github.com/roche/gemtcplus},
  }