APA (7th ed.) Citation

United States. Patent Office. (1871). Annual report of Commissioner of Patents for year 1871, volume 2. GPO.

Chicago Style (17th ed.) Citation

United States. Patent Office. Annual Report of Commissioner of Patents for Year 1871, Volume 2. [Washington]: GPO, 1871.

MLA (9th ed.) Citation

United States. Patent Office. Annual Report of Commissioner of Patents for Year 1871, Volume 2. GPO, 1871.

Warning: These citations may not always be 100% accurate.