To cite 'specr' in publications use:

Masur P, Scharkow M (2019). “specr: Statistical functions for conducting specification curve analyses (Version 0.2.1).” https://github.com/masurp/specr.

Corresponding BibTeX entry:

  @Misc{,
    title = {specr: Statistical functions for conducting specification
      curve analyses (Version 0.2.1)},
    author = {Philipp K. Masur and Michael Scharkow},
    year = {2019},
    url = {https://github.com/masurp/specr},
  }