To cite package ‘drc’ in publications use:

  Ritz C, Streibig J (2026). _drc: Dose-Response Analysis Using R_. R
  package version 4.0-3, <https://github.com/doseresponse/drc>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {drc: Dose-Response Analysis Using R},
    author = {Christian Ritz and Jens C. Streibig},
    year = {2026},
    note = {R package version 4.0-3},
    url = {https://github.com/doseresponse/drc},
  }