To cite package ‘hrf’ in publications use:

  Mejia A, Spencer D (2025). _hrf: Hemodynamic Response Function_. R
  package version 0.1.3, <https://CRAN.R-project.org/package=hrf>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {hrf: Hemodynamic Response Function},
    author = {Amanda Mejia and Daniel Spencer},
    year = {2025},
    note = {R package version 0.1.3},
    url = {https://CRAN.R-project.org/package=hrf},
  }