@misc{237511,
  author = {Ronald Ross and Kelley Dempsey and Patrick Viscuso and Mark Riddle and Gary Guissanie},
  title = {Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations [including updates as of 06-07-2018]},
  year = {2018},
  month = {2018-06-07},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.800-171r1},
  language = {en},
}