To cite package ‘blackmagicc’ in publications use:

  Crawford M (2024). _blackmagicc: MAgPIE-MAGICC Integration_. R
  package version 0.7.1.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {blackmagicc: MAgPIE-MAGICC Integration},
    author = {Michael Crawford},
    year = {2024},
    note = {R package version 0.7.1},
  }