APA (7th ed.) Citation

United States. Patent Office. (1925). Rules of practice in Patent Office, revised July 1, 1925. GPO.

Chicago Style (17th ed.) Citation

United States. Patent Office. Rules of Practice in Patent Office, Revised July 1, 1925. [Washington]: GPO, 1925.

MLA (9th ed.) Citation

United States. Patent Office. Rules of Practice in Patent Office, Revised July 1, 1925. GPO, 1925.