To cite package ‘predHCS’ in publications use:

  Balakrishnan, N., Cramer, E., & Kundu, D. (2023). Hybrid censoring
  know-how: Designs and implementations. Academic Press.

A BibTeX entry for LaTeX users is

  @Book{,
    title = {Hybrid Censoring Know-How: Designs and Implementations},
    author = {N. Balakrishnan and E. Cramer and D. Kundu},
    year = {2023},
    publisher = {Academic Press},
    isbn = {978-0-12-824317-6},
  }