To cite coreCT in publications use:

Troy D. Hill and Earl Davey (2017). Programmatic analysis of sediment cores using computed tomography imaging. Narragansett, RI. URL https://github.com/troyhill/coreCT

Corresponding BibTeX entry:

  @Manual{,
    title = {Programmatic analysis of sediment cores using computed
      tomography imaging},
    author = {{Troy D. Hill, Earl Davey}},
    address = {Narragansett, RI},
    year = {2017},
    url = {https://github.com/troyhill/coreCT},
  }