To cite package ‘pCODE’ in publications use:

  Wang H, Cao J (2022). _pCODE: Estimation of an Ordinary Differential
  Equation Model by Parameter Cascade Method_. R package version 0.9.4,
  <https://github.com/alex-haixuw/pcode>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pCODE: Estimation of an Ordinary Differential Equation Model by
Parameter Cascade Method},
    author = {Haixu Wang and Jiguo Cao},
    year = {2022},
    note = {R package version 0.9.4},
    url = {https://github.com/alex-haixuw/pcode},
  }