To cite package ‘zephyr’ in publications use:

Thomsen A, Jeppesen M, Girard C, Troejelsgaard K, Gakava L, Larsen S, Obucina V (2026). zephyr: Structured Messages and Options. R package version 0.1.3.9000, https://github.com/novonordisk-opensource/zephyr.

Corresponding BibTeX entry:

  @Manual{,
    title = {zephyr: Structured Messages and Options},
    author = {Aksel Thomsen and Mathias Lerbech Jeppesen and Cervan
      Girard and Kristian Troejelsgaard and Lovemore Gakava and Steffen
      Falgreen Larsen and Vladimir Obucina},
    year = {2026},
    note = {R package version 0.1.3.9000},
    url = {https://github.com/novonordisk-opensource/zephyr},
  }