United States. Patent and Trademark Office. (1993). Annual report. U.S. Dept. of Commerce, Patent and Trademark Office.
Chicago Style (17th ed.) CitationUnited States. Patent and Trademark Office. Annual Report. [Washington, D.C.]: U.S. Dept. of Commerce, Patent and Trademark Office, 1993.
MLA (9th ed.) CitationUnited States. Patent and Trademark Office. Annual Report. U.S. Dept. of Commerce, Patent and Trademark Office, 1993.
Warning: These citations may not always be 100% accurate.