To cite package ‘ctf’ in publications use:

Fitzgerald C (2021). ctf: Read and Write Column Text Format (CTF). R package version 0.1.0, https://CRAN.R-project.org/package=ctf.

Corresponding BibTeX entry:

  @Manual{,
    title = {ctf: Read and Write Column Text Format (CTF)},
    author = {Clark Fitzgerald},
    year = {2021},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=ctf},
  }