To cite package ‘RNifti’ in publications use:

  Clayden J, Cox B, Jenkinson M (2024). _RNifti: Fast R and C++ Access
  to NIfTI Images_. R package version 1.7.0,
  <https://github.com/jonclayden/rnifti>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RNifti: Fast R and C++ Access to NIfTI Images},
    author = {Jon Clayden and Bob Cox and Mark Jenkinson},
    year = {2024},
    note = {R package version 1.7.0},
    url = {https://github.com/jonclayden/rnifti},
  }