APA (7th ed.) Citation

United States. National Bureau of Standards. (1986). Specification for a data descriptive file for information interchange (DDF). U.S. Department of Commerce/National Bureau of Standards ; For sale by the National Technical Information Service.

Chicago Style (17th ed.) Citation

United States. National Bureau of Standards. Specification for a Data Descriptive File for Information Interchange (DDF). Gaithersburg, MD : Springfield, VA: U.S. Department of Commerce/National Bureau of Standards ; For sale by the National Technical Information Service, 1986.

MLA (9th ed.) Citation

United States. National Bureau of Standards. Specification for a Data Descriptive File for Information Interchange (DDF). U.S. Department of Commerce/National Bureau of Standards ; For sale by the National Technical Information Service, 1986.