To cite package ‘ISLET’ in publications use:

  Feng, H., Meng, G., Lin, T., Parikh, H., Pan, Y., Li, Z., ... & Li,
  Q. ISLET: individual-specific reference panel recovery improves
  cell-type-specific inference Genome biology 24.1 (2023): 174.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ISLET: individual-specific reference panel recovery improves cell-type-specific inference},
    author = {Hao Feng and Guanqun Meng and Tong Lin and Hemang Parikh and Yue Pan and Ziyi Li and Jeffrey Krischer and Qian Li},
    year = {2023},
    journal = {Genome Biology},
    doi = {10.1186/s13059-023-03014-8},
    volume = {24},
    pages = {174},
  }