To cite package ‘RCppAD’ in publications use:

  Brown P, Bell B (2026). _RCppAD: CppAD C++ Header Files for Automatic
  Differentiation_. R package version 20260000.0-1,
  <https://github.com/patrickbrowns/adlaplace>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RCppAD: CppAD C++ Header Files for Automatic Differentiation},
    author = {Patrick Brown and Bradley M. Bell},
    year = {2026},
    note = {R package version 20260000.0-1},
    url = {https://github.com/patrickbrowns/adlaplace},
  }