A manual of radioactivity procedures ; recommendations.

MLA

United States. A manual of radioactivity procedures ; recommendations. Washington : U.S. Dept. of Commerce, National Bureau of Standards, 1961.

APA

United States. (1961). A manual of radioactivity procedures ; recommendations. Washington : U.S. Dept. of Commerce, National Bureau of Standards.

Chicago

United States. A manual of radioactivity procedures ; recommendations. Washington : U.S. Dept. of Commerce, National Bureau of Standards, 1961.