To cite package ‘cragg’ in publications use:

Green B (2021). cragg: Tests for Weak Instruments in R. R package version 0.0.1, https://github.com/beniaminogreen/cragg.

Corresponding BibTeX entry:

  @Manual{,
    title = {cragg: Tests for Weak Instruments in R},
    author = {Beniamino Green},
    year = {2021},
    note = {R package version 0.0.1},
    url = {https://github.com/beniaminogreen/cragg},
  }