United States. Public Health Service. (1937). United States Public Health Service decision no. 7 under Section 63 of Regulations for sale of viruses, serums, toxins, and analogous products (revised). [s.n.].
Chicago Style (17th ed.) CitationUnited States. Public Health Service. United States Public Health Service Decision No. 7 Under Section 63 of Regulations for Sale of Viruses, Serums, Toxins, and Analogous Products (revised). [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Public Health Service. United States Public Health Service Decision No. 7 Under Section 63 of Regulations for Sale of Viruses, Serums, Toxins, and Analogous Products (revised). [s.n.], 1937.
Warning: These citations may not always be 100% accurate.