Service and regulatory announcements :
Food, drug, ad cosmetic (series) no.3. Coal-tar color regulations.

APA Citation

United States. Food and Drug Administration. (1940). Service and regulatory announcements: Food, drug, ad cosmetic (series) no.3. Coal-tar color regulations. .

MLA Citation

United States. Food and Drug Administration. Service And Regulatory Announcements: Food, Drug, Ad Cosmetic (series) No.3. Coal-tar Color Regulations. , 1940.

Warning: These citations may not always be complete (especially for serials).