United States. Patent Office. (1934). Index of Trade-Marks Issued from the United States Patent Office, 1933. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Patent Office. Index of Trade-Marks Issued from the United States Patent Office, 1933. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. Patent Office. Index of Trade-Marks Issued from the United States Patent Office, 1933. [s.n.], 1934.
Warning: These citations may not always be 100% accurate.