United States. Patent Office. (1887). Subject-matter index of patents for inventions (attestati di privative industriali) granted in Italy from 1848 to Jan. 1, 1886, 2nd edition. GPO.
Chicago Style (17th ed.) CitationUnited States. Patent Office. Subject-matter Index of Patents for Inventions (attestati Di Privative Industriali) Granted in Italy from 1848 to Jan. 1, 1886, 2nd Edition. [Washington]: GPO, 1887.
MLA (9th ed.) CitationUnited States. Patent Office. Subject-matter Index of Patents for Inventions (attestati Di Privative Industriali) Granted in Italy from 1848 to Jan. 1, 1886, 2nd Edition. GPO, 1887.
Warning: These citations may not always be 100% accurate.