APA (7th ed.) Citation

United States. Patent Office. (1897). Rules of practice in U.S. Patent Office, revised June 18, 1897. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised June 18, 1897. [Washington]: [publisher not identified], 1897.

MLA (9th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised June 18, 1897. [publisher not identified], 1897.