To cite package ‘upndown’ in publications use:

Oron A (2025). upndown: Utilities and Design Aids for Up-and-Down Dose-Finding Studies. R package version 0.4.0, https://github.com/assaforon/upndown.

Corresponding BibTeX entry:

  @Manual{,
    title = {upndown: Utilities and Design Aids for Up-and-Down
      Dose-Finding Studies},
    author = {Assaf P. Oron},
    year = {2025},
    note = {R package version 0.4.0},
    url = {https://github.com/assaforon/upndown},
  }