Brown, J. (1671). [A description of a mathematical instrument]. publisher not identified,].
Chicago Style (17th ed.) CitationBrown, John. [A Description of a Mathematical Instrument]. [London: publisher not identified,], 1671.
MLA (9th ed.) CitationBrown, John. [A Description of a Mathematical Instrument]. publisher not identified,], 1671.
Warning: These citations may not always be 100% accurate.