Selden, J. The trades-man's help: An introduction to arithmetick, both vulgar, decimal, and instrumental, with the use of a new instrument, called the jointed sliding-rule : and also a perpetual almanack, ... : with directions for the making of bonds, bills, wills, and other things of note.
Chicago Style (17th ed.) CitationSelden, Joseph. The Trades-man's Help: An Introduction to Arithmetick, Both Vulgar, Decimal, and Instrumental, with the Use of a New Instrument, Called the Jointed Sliding-rule : And Also a Perpetual Almanack, ... : With Directions for the Making of Bonds, Bills, Wills, and Other Things of Note.
MLA (9th ed.) CitationSelden, Joseph. The Trades-man's Help: An Introduction to Arithmetick, Both Vulgar, Decimal, and Instrumental, with the Use of a New Instrument, Called the Jointed Sliding-rule : And Also a Perpetual Almanack, ... : With Directions for the Making of Bonds, Bills, Wills, and Other Things of Note.