To cite package ‘apicheck’ in publications use:

Hugh-Jones D (2019). apicheck: Explore the Historical API of R Packages. R package version 0.1.0.9000, https://github.com/hughjonesd/apicheck.

Corresponding BibTeX entry:

  @Manual{,
    title = {apicheck: Explore the Historical API of R Packages},
    author = {David Hugh-Jones},
    year = {2019},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/hughjonesd/apicheck},
  }