Roberts, R. (1830). Outlines of a proposed law of patents for mechanical inventions. [s.n.].
Chicago Style (17th ed.) CitationRoberts, Richard. Outlines of a Proposed Law of Patents for Mechanical Inventions. S.l: [s.n.], 1830.
MLA (9th ed.) CitationRoberts, Richard. Outlines of a Proposed Law of Patents for Mechanical Inventions. [s.n.], 1830.
Warning: These citations may not always be 100% accurate.