APA (7th ed.) Citation

United States. Patent Office. (1899). Rules of practice in U.S. Patent Office, revised July 18, 1899. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised July 18, 1899. [Washington]: [publisher not identified], 1899.

MLA (9th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised July 18, 1899. [publisher not identified], 1899.