APA (7th ed.) Citation

United States. National Bureau of Standards & National Institute of Standards and Technology (U.S.). (1999). Radioactivity, SRM. U.S. Dept. of Commerce, National Bureau of Standards and Technology.

Chicago Style (17th ed.) Citation

United States. National Bureau of Standards and National Institute of Standards and Technology (U.S.). Radioactivity, SRM. [Gaithersburg, Md.]: U.S. Dept. of Commerce, National Bureau of Standards and Technology, 1999.

MLA (9th ed.) Citation

United States. National Bureau of Standards and National Institute of Standards and Technology (U.S.). Radioactivity, SRM. U.S. Dept. of Commerce, National Bureau of Standards and Technology, 1999.