United States. Patent Office. (1937). The official gazette of the United States Patent Office, May 4, 1937. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Patent Office. The Official Gazette of the United States Patent Office, May 4, 1937. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Patent Office. The Official Gazette of the United States Patent Office, May 4, 1937. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.