APA (7th ed.) Citation

United States. Patent Office. (1887). Rules of practice in U.S. Patent Office, revised Mar. 9, 1887. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised Mar. 9, 1887. [Washington]: [publisher not identified], 1887.

MLA (9th ed.) Citation

United States. Patent Office. Rules of Practice in U.S. Patent Office, Revised Mar. 9, 1887. [publisher not identified], 1887.