To cite drda in publications use:

  Alina Malyutina, Jing Tang, Alberto Pessia (2023). drda: An R Package
  for Dose-Response Data Analysis Using Logistic Functions. Journal of
  Statistical Software, 106(4), 1-26. doi:10.18637/jss.v106.i04

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{drda}: An {R} Package for Dose-Response Data Analysis Using Logistic Functions},
    author = {Alina Malyutina and Jing Tang and Alberto Pessia},
    journal = {Journal of Statistical Software},
    year = {2023},
    volume = {106},
    number = {4},
    pages = {1--26},
    doi = {10.18637/jss.v106.i04},
  }