To cite package ‘hdnom’ in publications use:

  Nan Xiao, Qing-Song Xu, and Miao-Zhu Li. (2016). hdnom: Building
  Nomograms for Penalized Cox Models with High-Dimensional Survival
  Data. bioRxiv, 065524.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {hdnom: Building Nomograms for Penalized {Cox} Models with High-Dimensional Survival Data},
    author = {Nan Xiao and Qing-Song Xu and Miao-Zhu Li},
    year = {2016},
    journal = {bioRxiv},
    publisher = {Cold Spring Harbor Labs Journals},
    url = {https://www.biorxiv.org/content/10.1101/065524v1},
    eprint = {https://www.biorxiv.org/content/10.1101/065524v1.full.pdf},
    doi = {10.1101/065524},
  }