United States. Patent Office & United States. Patent and Trademark Office. (1922). General information concerning patents. U.S. Dept. of the Interior, United States Patent Office.
Chicago Style (17th ed.) CitationUnited States. Patent Office and United States. Patent and Trademark Office. General Information Concerning Patents. [Washington, D.C.]: U.S. Dept. of the Interior, United States Patent Office, 1922.
MLA (9th ed.) CitationUnited States. Patent Office and United States. Patent and Trademark Office. General Information Concerning Patents. U.S. Dept. of the Interior, United States Patent Office, 1922.
Warning: These citations may not always be 100% accurate.