To cite scClassify in publications use:

  Lin, Yingxin, Yue Cao, Hani Jieun Kim, Agus Salim, Terence P. Speed,
  David M. Lin, Pengyi Yang, and Jean Yee Hwa Yang. 2020. scClassify:
  sample size estimation and multiscale classification of cells using
  single and multiple reference. Molecular systems biology, 16(6),
  p.e9389. doi: https://doi.org/10.15252/msb.20199389

A BibTeX entry for LaTeX users is

  @Article{,
    title = {scClassify: sample size estimation and multiscale classification of cells using single and multiple reference},
    author = {Yingxin Lin and Yue Cao and Hani Jieun Kim and Agus Salim and Terence P Speed and David M Lin and Pengyi Yang and Jean Yee Hwa Yang},
    journal = {Molecular systems biology},
    year = {2020},
    volume = {16},
    number = {6},
    pages = {e9389},
    url = {https://doi.org/10.15252/msb.20199389},
  }