To cite {ciftiTools} in publications use:

Pham DD, Muschelli J, Mejia AF (2021). “ciftiTools: A package for reading, writing, visualizing and manipulating CIFTI files in R.” NeuroImage, 250. doi:10.1016/j.neuroimage.2022.118877.

Corresponding BibTeX entry:

  @Article{,
    title = {{ciftiTools}: A package for reading, writing, visualizing
      and manipulating {CIFTI} files in {R}},
    author = {Damon D Pham and John Muschelli and Amanda F Mejia},
    year = {2021},
    journal = {NeuroImage},
    volume = {250},
    doi = {10.1016/j.neuroimage.2022.118877},
  }