United States. Patent Office. (1840). Annual report of Commissioner of Patents: Report of the Commissioner of Patents, for the year .. Patent Office.
Chicago Style (17th ed.) CitationUnited States. Patent Office. Annual Report of Commissioner of Patents: Report of the Commissioner of Patents, for the Year .. Washington, D.C.: Patent Office, 1840.
MLA (9th ed.) CitationUnited States. Patent Office. Annual Report of Commissioner of Patents: Report of the Commissioner of Patents, for the Year .. Patent Office, 1840.
Warning: These citations may not always be 100% accurate.