Data encryption standard : category: ADP operations ; subcategory: computer security

Chicago citation style
United States. National Bureau of Standards. Data encryption standard : category: ADP operations ; subcategory: computer security. 1988. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394966. (Accessed December 14, 2018.)
APA citation style
United States. National Bureau of Standards, (1988) Data encryption standard : category: ADP operations ; subcategory: computer security. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394966
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394966>.
Note: These citations are programmatically generated and may be incomplete.