To cite Ball in publications use:
Zhu J, Pan W, Zheng W, Wang X (2021). “Ball: An R Package for Detecting Distribution Difference and Association in Metric Spaces.” Journal of Statistical Software, 97(6), 1–31. doi: 10.18637/jss.v097.i06.
Corresponding BibTeX entry:
@Article{, title = {{Ball}: An {R} Package for Detecting Distribution Difference and Association in Metric Spaces}, author = {Jin Zhu and Wenliang Pan and Wei Zheng and Xueqin Wang}, journal = {Journal of Statistical Software}, year = {2021}, volume = {97}, number = {6}, pages = {1--31}, doi = {10.18637/jss.v097.i06}, }