To cite stratamatch in publications use:

Aikens RC, Rigdon J, Lee J, Baiocchi M, Goldstone AB, Chiu P, Woo YJ, Chen JH (2020). “Stratified Pilot Matching in R: The stratamatch Package.” Statistics arXiv. https://arxiv.org/abs/2001.02775.

Corresponding BibTeX entry:

  @Article{,
    title = {Stratified Pilot Matching in R: The stratamatch Package},
    author = {Rachael C. Aikens and Joseph Rigdon and Justin Lee and
      Michael Baiocchi and Andrew B. Goldstone and Peter Chiu and Y
      Joseph Woo and Jonathan H. Chen},
    journal = {Statistics arXiv},
    year = {2020},
    month = {jan},
    url = {https://arxiv.org/abs/2001.02775},
  }