To cite TDAstats in publications use:

Wadhwa RR, Williamson DFK, Dhawan A, Scott JG (2018). “TDAstats: R pipeline for computing persistent homology in topological data analysis.” Journal of Open Source Software, 3(28), 860. doi:10.21105/joss.00860. https://doi.org/10.21105/joss.00860.

Corresponding BibTeX entry:

  @Article{,
    title = {{T}{D}{A}stats: {R} pipeline for computing persistent
      homology in topological data analysis},
    author = {Raoul R. Wadhwa and Drew F. K. Williamson and Andrew
      Dhawan and Jacob G. Scott},
    journal = {Journal of Open Source Software},
    year = {2018},
    volume = {3},
    number = {28},
    pages = {860},
    url = {https://doi.org/10.21105/joss.00860},
    doi = {10.21105/joss.00860},
  }