To cite package ‘abctools’ in publications use:

  Nunes MA, Prangle D (2015). “abctools: An R Package for Tuning
  Approximate Bayesian Computation Analyses.” _The R Journal_.
  doi:10.32614/RJ-2015-030 <https://doi.org/10.32614/RJ-2015-030>,
  <https://journal.r-project.org/archive/2015/RJ-2015-030/index.html>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {abctools: An {R} Package for Tuning Approximate {Bayesian} Computation Analyses},
    author = {Matthew A. Nunes and Dennis Prangle},
    journal = {The {R} Journal},
    year = {2015},
    doi = {10.32614/RJ-2015-030},
    url = {https://journal.r-project.org/archive/2015/RJ-2015-030/index.html},
  }